But Why: A Podcast for Curious Kids
231 episodes - English - Latest episode: 10 days ago - ★★★★ - 4.3K ratingsBut Why is a show led by kids. They ask the questions and we find the answers. It’s a big interesting world out there. On But Why, we tackle topics large and small, about nature, words, even the end of the world. Know a kid with a question? Record it with a smartphone. Be sure to include your kid's first name, age, and town and send the recording to [email protected]!
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Episodes
What is climate change?
May 20, 2022 14:03 - 26 minutes - 36.1 MBWhat is climate change? What is causing climate change? How do you cool down the earth? How is climate change affecting the oceans? Kids are hearing about climate change and they have lots of questions. In this episode we explain the science of climate change and look at how humans will adapt to a rapidly warming planet. We speak with Dr. Claudia Benitez-Nelson, oceanographer at the University of South Carolina and Dr. Jola Ajibade, a geographer at Portland State University. This certainly i...
Why do flowers bloom?
May 06, 2022 15:45 - 21 minutes - 29.5 MBWhy do flowers bloom? How do flowers grow? Why are flowers different colors? Why do people find flowers beautiful? How are seeds made? Why do plants grow from seeds? Why do we put seeds in the garden? We’re answering your questions about seeds and flowers with garden writer Charlie Nardozzi and Hannes Dempewolf from The Crop Trust. Find more answers to plant questions in two of our older episodes: How Do Big Plants Grow From Such Small Seeds? and Are Seeds Alive? Download our learning guid...
Why are some people left-handed?
April 22, 2022 12:30 - 27 minutes - 38 MBWhy are some people right-handed and some are left-handed? And what’s up with some people being ambidextrous (equally good with both hands)? Why, in the past, did some people try to make left-handed people use their right hands? We talk with Chris McManus, professor and author of the book Right Hand, Left Hand: The Origins of Asymmetry in Brains, Bodies, Atoms, and Cultures. We’ll even find out how common left-handedness (or left-pawedness) is in other animals! Download our learning guides:...
Why do pigs oink?
April 08, 2022 19:30 - 31 minutes - 43.2 MBWhy do pigs snort? And why do we call their snorts “oink” in English? We’re taking our exploration of animal noises in two directions today. First we’ll learn about why we use different words to describe animal noises, depending on what language we’re speaking. And then we’ll examine what animals are actually saying when they oink or tweet or moo! Our guests are linguist and author Arika Okrent and bioacoustic researcher Elodie Briefer, of the University of Copenhagen. Other questions we tac...
How much does the moon weigh?
March 25, 2022 12:30 - 20 minutes - 27.7 MBWe’re bringing back an episode from the archives, all about the moon: Why does the moon change shape? How much does it weigh? What color is it? Why does the Earth only have one moon? Why does it have holes? Where does it go when we can't see it? Why do we sometimes see it in the daytime? And why does the moon look like it's following you when you're in the car? Answers to your moon questions with John O'Meara, chief scientist at the W.M. Keck Observatory. Download our learning guides: PDF |...
Why is Russia invading Ukraine?
March 11, 2022 22:20 - 24 minutes - 33.5 MBThe invasion of Ukraine has been the top story in the news for the last few weeks, and kids around the world are asking questions about what is happening and what it means for them. In this episode we ask Erin Hutchinson, Assistant Professor of Russian History at the University of Colorado Boulder, to help us understand the history behind this conflict. Adults: we don’t go into detail about what war looks like on the ground, but we acknowledge war is a scary topic. You may want to preview th...
How did people keep food cold in olden times?
February 25, 2022 08:30 - 23 minutes - 32.9 MBViolet, 5, wants to know: what was life like before refrigerators? And Ellinor, 6, asks: how did they make ice in the old times? In this episode, we learn about the history of ice harvesting and the industry that built up around it, where ice cut from lakes in New England was shipped to as far away as India and the Caribbean. We hear more about this history from Gavin Weightman, author of The Frozen Water Trade. And we visit Rockywold-Deephaven Camps in New Hampshire, where ice is still harv...
Why is the heart a symbol of love?
February 11, 2022 17:00 - 17 minutes - 24.5 MBWhy is the heart a symbol of love? Why do people draw hearts when they love someone? Why do we draw hearts the way we do when they're nothing like the hearts inside of your body? And do we need a heart to love or does the brain do it? We’re learning all about hearts and symbolism with Thomas and Stephen Amidon, authors of The Sublime Engine: A Biography of the Human Heart. Download our learning guides: PDF | Google Slide | Transcript No one really knows where the heart symbol comes from...
How are images chosen for coins?
January 28, 2022 16:30 - 26 minutes - 36.4 MBThe U.S. Mint is producing a new series of quarters featuring American women. The first one, featuring poet Maya Angelou, has just been released. We're learning about coins are made and how images are chosen for money around the world. The US has a law preventing any living person from appearing on its money. Kenya has a new rule preventing any individual people on their money at all. Meanwhile, many countries with kings or queens have those leaders on their money while they’re still in powe...
Why does the wind blow?
January 14, 2022 22:00 - 30 minutes - 41.7 MBWhat causes wind? How is wind created? Why does the wind blow in different ways? How does the wind start blowing and what makes it stop? Why is it windy by the ocean? Why does it get windy when the weather is changing? How is it you can you feel and hear the wind but not see it? Why is the wind sometimes strong and sometimes cold? Answers to all of your wind questions with National Weather Service Meteorologist Rebecca Duell. Download our learning guides: PDF | Google Slide | Transcript W...
What Would You Invent? Ideas From Kids
December 31, 2021 13:30 - 33 minutes - 30.7 MBWe asked our listeners: if you could invent anything what would it be? And we got so many fantastic ideas from kids all over the world: a solar cooler, a chimney that changes carbon dioxide to oxygen, a slide that gives you an ice cream cone at the bottom, and more. Some kids would like to invent robots that do their chores, flying cars, teleporting devices to take them back in time, and even a bully behavior zapper. This episode is all about creativity! But how do you take a great idea an...
What would you invent? Ideas from kids
December 31, 2021 13:30 - 33 minutes - 30.7 MBWe asked our listeners: if you could invent anything what would it be? And we got so many fantastic ideas from kids all over the world: a solar cooler, a chimney that changes carbon dioxide to oxygen, a slide that gives you an ice cream cone at the bottom, and more. Some kids would like to invent robots that do their chores, flying cars, teleporting devices to take them back in time, and even a bully behavior zapper. This episode is all about creativity! But how do you take a great idea an...
Why do seasons change?
December 17, 2021 18:45 - 31 minutes - 42.6 MBWhy do seasons change? Why does it get darker earlier in the winter and why is there more daylight in the summer? Why are some seasons warm and some are cold and icy? Why do some places not have seasonal changes at all? We’re learning about solstices, equinoxes and seasons in this episode of But Why. Our guide is John O’Meara, Chief Scientist at Hawaii’s Keck Observatory. And kids around the world tell us what they like best about their favorite season. Download our learning guides: PDF | ...
How are babies made?
December 03, 2021 13:30 - 23 minutes - 32 MBHow are babies made? We speak with Cory Silverberg, author of What Makes A Baby, for answers to questions about how we all come into the world. This is a conversation that welcomes all kinds of families as we answer questions about why babies don't hatch out of eggs, why boys have nipples, why girls have babies but boys don't and why some people look more like one parent more than the other. Later in the episode we also explore how we get our last names and how two people can have the same l...
Do skyscrapers scrape the sky?
November 19, 2021 21:15 - 25 minutes - 35.1 MBWhy is the Burj Khalifa so tall? That’s what 5-year-old Simon wants to know. The Burj Khalifa is the tallest building in the world and it’s located in Dubai. 6-year-old Isabel, who lives in Dubai, visited the tower and gives us the bird’s eye view in this episode! Plus, Janny Gédéon, architecture educator and founder of ArchForKids answers lots more questions about tall buildings: How are tall buildings built? How do they stay up? Why are so many buildings squares or rectangles? How do they ...
How do squirrels climb trees?
November 05, 2021 15:50 - 29 minutes - 40.5 MBSquirrels are everywhere. Three hundred or so species of these often adorable rodents live on every continent except Antarctica. No matter where you live, city or country you’re bound to have squirrels nearby. How much do you know about our bushy-tailed neighbors? How fast do squirrels and chipmunks run? Why do squirrels have big bushy tails? Do squirrels get sick? Why do they like nuts better than berries? How do squirrels eat acorns? How do squirrels sleep? Are squirrels nocturnal? Answer...
Why is it a shot? Kids’ questions about COVID vaccines
October 22, 2021 21:15 - 29 minutes - 40 MBThe FDA recently gave emergency use authorization to the Pfizer-BioNTech vaccine for kids age 5 to 11. With all the news and conversation about this development, kids are curious to know more about the Covid vaccine--and vaccines in general! So in this episode we answer questions from kids and parents, including: Why does it have to be a shot? How do vaccines work? How does a vaccine trial work? Should an 11.5yo get the shot as soon as it’s available or wait until age 12 to get the larger do...
How Do Apples Grow?
October 08, 2021 14:20 - 28 minutes - 53.1 MBWhy do apples have stems? Why do fruits start out as flowers? How did the first apple grow when no one was there to plant its seed? Why can you make a seedless grape and not a seedless apple? Why are apples so juicy? How is apple juice made? Why are apples hard and pears soft? In this episode we take a field trip to Champlain Orchards in Shoreham, Vermont to learn more about apples. Our guides are 10-year-old Rupert Suhr, his father, Bill, and apple expert Ezekiel Goodband. Download our le...
How Deep Is The Ocean?
September 24, 2021 15:00 - 19 minutes - 17.7 MBWe’re exploring a part of the world that not much is known about—in fact, you could be one of the people who help us understand and learn more about this very important, and very large, part of our earth. The land underneath the ocean is as varied and interesting as the terrain up on dry land—with mountains and canyons, plains and forests. (That’s right, forests! There are kelp forests where the kelp is as much as 150 feet tall!) In this episode, what’s known--and unknown--about the bottom ...
Why Do Americans Use The Word ‘Soccer?’
September 10, 2021 17:00 - 12 minutes - 22.7 MBKala wants to know why we say soccer in the United States, when the rest of the world calls the game "football." In this episode we hear from people who make their living in the game: professional players, coaches and commentators. Download our learning guides: PDF | Google Slide | Transcript “Why is soccer called 'soccer,' instead of being called 'football?'” - Kala, Colchester, Vt. "It's an interesting question because so many people around the world play the game of football," said Dav...
Who Invented Money?
August 27, 2021 12:30 - 21 minutes - 40.1 MBIn this episode of But Why we visit a credit union to learn what money is all about. And Felix Salmon, Anna Szymanski and Jordan Weissman from Slate Money answer questions about why money plays such a big role in modern society. How was money invented? Why can't everything be free? How do you earn money? How was the penny invented? Why are dimes so small? Download our learning guides: PDF | Google Slide | Transcript Related Episodes: What Is The Biggest Number? Resources: How To Talk To K...
What If You’re Scared To Start School?
August 13, 2021 12:30 - 24 minutes - 45.2 MBFive-year-old Odin in Wyoming is about to start school and he sent us this question: If I’m terrified about kindergarten do I have to go? What should I do if I’m scared? What if kids are mean to me? In this episode, tips and suggestions from our listeners for kids returning to school, along with answers from guidance counselor Tosha Todd and National Teacher of the Year Juliana Urtubey. Download our learning guides: PDF | Google Slide | Transcript Related Episodes: Why Do We Have To Go To ...
Why Do We Wear Clothes?
July 30, 2021 15:20 - 24 minutes - 44.8 MBHave you ever been threading one leg through a pair of pants in the morning and wondered…why do we wear pants anyway? Or wondered why pockets in clothing designed for girls are sometimes smaller than the pockets in clothing designed for boys? In this episode we’ll tackle your questions about clothes with fashion historian and writer Amber Butchart. Download our learning guides: PDF | Google Slides | Transcript “Why do we have to wear clothes?” - Bhakti, 9, Australia Many people think we s...
What's the Cleverest Thing A Hippo Can Do?
July 16, 2021 12:00 - 16 minutes - 31 MBWhat is the cleverest thing hippos can do? This week we’re answering seven quirky questions about animals! Why do elephants like peanuts? Why do cows put their tongues up their noses? Has anyone ever ridden a tiger? How do woodpeckers cling to trees? Why is some bird poop black and some is white? Why do people make animals like sharks and bears sound way scarier than they are? Answers from Keenan Stears of the University of California, Santa Barbara, Christine Scales of Billings Farm & Museu...
Why Are Fireworks Bright?
July 02, 2021 17:46 - 32 minutes - 60.2 MBWhat are fireworks made of, why are they bright and loud, and how do people make them? And, why do Americans celebrate the 4th of July with fireworks? We learn about pyrotechnics with licensed fireworks professional John Steinberg. And David Chavez, an explosives expert at Los Alamos National Laboratory tells us how changes to the materials used in fireworks can make them better for the environment and unleash new, more vibrant colors in the night sky. We also address firework safety and how...
Who Invented Noodles?
June 18, 2021 12:00 - 19 minutes - 36.3 MBThis week, we're revisiting one of our favorite older episodes from the past. We’re going to learn a little bit about the history of noodles--and how to make them! We’re joined by Jen Lin-Liu, author of the book On the Noodle Road: From Beijing to Rome with Pasta and Love. And we also get an exciting hand-pulled noodle demonstration from Tony Wu, who was the executive chef at M.Y. China, a restaurant in San Francisco’s Chinatown, when we originally recorded this audio in 2019. Wu can hand...
Are Seeds Alive?
June 04, 2021 18:36 - 32 minutes - 60.3 MBAre seeds alive? What are they made of? Here in Vermont it's planting time, and we've been getting a lot of questions about seeds from kids around the world. In this episode we'll explore the importance of preserving seed diversity with Hannes Dempewolf of the Global Crop Diversity Trust. Crop Trust manages a repository of seeds from around the world at the Global Seed Vault in Svalbard, Norway, above the Arctic Circle. Plus, ethnobotanist and Abenaki scholar Fred Wiseman shares a little bi...
How Are Words Added To The Dictionary?
May 21, 2021 12:00 - 21 minutes - 38.7 MBOur guest this week is a lexicographer. That's someone who studies words and, in this case, edits dictionaries. Emily Brewster is a senior editor at Merriam-Webster and host of the podcast Word Matters. Emily answers a question from 8-year-old Emma in Kentucky, who wants to know how words are added to the dictionary. But before we can answer that, we'll tackle 7-year-old Julia's question, "How are new words created?" Join us for an episode about how words are created, when they've reached a...
How Do You Whistle?
May 07, 2021 20:03 - 28 minutes - 51.3 MBHow do people whistle? How does whistling make a sound? Why does your tongue change a whistle higher or lower? Can you get a trophy for whistling? Can people with laryngitis whistle? Get ready, we learn all about whistling with musician and champion whistler Emily Eagen and musician Yuki Takeda. And who whistles our theme song? We'll hear from musician Luke Reynolds, and a kid whistling chorus from our listeners! Download our learning guides: PDF | Google Slide | Transcript How do you whis...
How Are Rocks Formed?
April 23, 2021 15:01 - 36 minutes - 66 MBHow are rocks made? Why are some rocks hard and others soft? How do rocks shine? How are geodes and crystals made? Why do some rocks have gems in them? Answers to your rock questions with Hendratta Ali, rock doctor! Ali is a geologist who studies and teaches at Fort Hays State University in Kansas. Download our learning guides: PDF | Google Slide | Transcript
Ethics: Is It OK To Break A Rule?
April 09, 2021 12:30 - 16 minutes - 30.5 MBIs it OK to do something that you were told not to do and then never tell anybody? In this episode we tackle that thorny question from 10-year-old Finn from Seattle. We'll also wrestle with the question, "Why do people make really bad choices and want other people's lives to be harder?" Download our learning guides: PDF | Google Slide | Transcript We're tackling some ethical dilemmas in this episode and we're letting kids give the answers! We also get a response from ABC Radio's Short & Cu...
Why Do We Compete?
March 26, 2021 17:07 - 22 minutes - 42.1 MBHave you ever felt competitive with a friend or a sibling? Competition comes up in a lot of different ways in life. Maybe you're running a race with a friend and you want to beat them! Maybe you're trying to play a song without making a mistake and you're competing against yourself. Sometimes competition feels good and fun. It can make you want to do better, and make a game more enjoyable. But not always. Sometimes competition feels bad. Like it's too much pressure, or takes away from the f...
Why Are Mammoths Extinct?
March 12, 2021 20:39 - 27 minutes - 50.3 MBIn the ice age, megafauna roamed North America: mammoths, saber-toothed cats, even giant land sloths! What happened to them? In this episode we answer questions about the ice age: What was it? Did birds live during that time period? How about giraffes? Did people live with woolly mammoths? Why did mammoths go extinct? We'll answer your questions with Ross MacPhee, senior curator at the American Museum of Natural History and author of End of Megafauna: The Fate of the World's Hugest, Fiercest...
What’s Your Idea To Clean Up The Great Pacific Garbage Patch?
February 26, 2021 21:35 - 18 minutes - 33.2 MBIn 2019, we answered a question about the Great Pacific Garbage Patch, a huge mass of plastic and other trash swirling around in the Pacific Ocean. Mary James heard that episode and was so inspired, she created a device to help clean up the plastic in the ocean. In this episode of But Why, we learn about her invention, the mermicorn! Download our learning guides: PDF | Google Slide | Transcript Listen back to Why Is There A Big Patch Of Garbage In the Pacific Ocean? Kids: we'd like to kno...
What Are Robots Doing On Mars?
February 17, 2021 00:54 - 25 minutes - 46.5 MBOn Thursday, February 18th, a robot called a rover is expected to land on the surface of Mars, and begin collecting information scientists hope will help us learn if life ever existed on that planet! We answer your Mars questions with Mitch Schulte, NASA program scientist for the Mars 2020 mission. Download our learning guides: PDF | Google Slide | Transcript NASA has a number of ways that you can watch the landing live on February 18th at 11:15 a.m. PST / 2:15 p.m. EST / 19:15 UTC. The r...
Cool Beans: How Chocolate And Coffee Get Made
February 12, 2021 13:30 - 26 minutes - 49.3 MBHow is chocolate made? Why can't we eat chocolate all the time? Why is chocolate dangerous for dogs? Why do adults like coffee? In this episode, we tour Taza Chocolate in Somerville, Massachusetts to learn how chocolate goes from bean to bar. Then we visit a coffee roaster in Maine to learn about this parent-fuel that so many kids find gross! And we'll learn a little about Valentine’s Day. Download our learning guides: PDF | Google Slides | Transcript "How is chocolate made?" - Samarah, 8,...
Why Are Cactuses Spiky?
January 29, 2021 21:22 - 30 minutes - 56 MBWhat makes a cactus a cactus? And what are you supposed to call a group of these plants--cacti, cactuses, or cactus?! We'll find out in today's episode, as we learn more about the cactus family with Kimberlie McCue of the Desert Botanical Garden in Phoenix, Arizona. She'll answer kid questions about why cactuses are spiky and how they got those spikes, as well as why teddy bear cactuses aren't actually cuddly! Download our learning Guides: PDF | Google Slide | Transcript Those prickly spin...
What's A Screaming Hairy Armadillo? How Animals Get Their Names
January 15, 2021 20:22 - 27 minutes - 50.4 MBWhy are whale sharks called whale sharks? Why are guinea pigs called pigs if they're not pigs? Why are eagles called bald eagles if they're not bald? You also ask us lots of questions about why and how animals got their names. So today we're going to introduce you to the concept of taxonomy, or how animals are categorized, and we'll also talk about the difference between scientific and common names. We'll learn about the reasoning behind the names of daddy long legs, killer whales, fox snake...
Hopes And Dreams For 2021 From Kids Around The World
January 01, 2021 14:00 - 41 minutes - 76.6 MBAs the new year dawns, what are you hopeful for in 2021? Even though the change of the calendar year is mostly symbolic, New Year's Day is often a time for looking back on the year that just passed and setting goals for the year ahead. We asked you to share your hopes and dreams for 2021, from the end of the COVID-19 pandemic to your own personal goals. In this episode, more than 100 kids from around the world offer New Year's resolutions. We'll also hear from Johns Hopkins University epid...
Why Do Things Seem Scary In The Dark?
December 18, 2020 14:00 - 33 minutes - 30.5 MBLots of people are afraid of the dark, including many kids who have shared that fear with us. In today's episode we explore the fear of the dark with Daniel Handler, better known as Lemony Snicket, the author of the Series of Unfortunate Events books, and a picture book for young kids called The Dark. Download our learning guides: PDF | Google Slide | Transcript | Coloring Page Then we go on a night hike with Vermont Fish and Wildlife biologist Steve Parren, to talk about ways to embrace t...
Why Aren’t Babies Just Little Adults?
December 04, 2020 15:30 - 28 minutes - 51.7 MBWhy are babies small and grownups big? Why are babies so helpless, instead of little versions of adults? Do babies know they're babies? How do babies grow? How do babies learn to talk? Kids have been sending us lots of questions about babies! This week we’re learning more about the development of the human brain with Celeste Kidd, professor of psychology and primary investigator at the Kidd Lab at the University of California Berkeley. Download our learning guides: PDF | Google Slides | ...
Why Are We Still Talking About The Election?
November 20, 2020 13:30 - 28 minutes - 52.4 MBA few weeks ago we talked about why kids can't vote and we also answered some questions about the U.S. Presidential Election. It's been two weeks since the November 3rd election, but we're still getting questions about it! We get answers from NPR political reporter Ayesha Rascoe. TRANSCRIPT Here are some of the questions we're tackling in this episode: What would happen if someone counted the votes wrong? Why is President Donald Trump going to court and why are people saying Joe Biden migh...
Why Do Whales Sing?
November 06, 2020 21:33 - 27 minutes - 50 MBIn our most recent episode, we answered questions about really big animals: whales! We covered a lot when it comes to these huge aquatic mammals but there was one big topic we didn't get to: and that's how whales communicate. We'll learn more about the sounds whales make: singing, whistles, and echolocation clicks with Amy Van Cise, a biologist at NOAA Northwest Fisheries Science Center in Seattle, Washington. Download our learning guides: PDF | Google Slides | Transcript
Why Are Whales So Big?
October 23, 2020 18:12 - 30 minutes - 56.4 MBHow do whales spray water? Why are humpback whales so fat and blue whales so long, and why are blue whales blue? Do whales have belly buttons? How do you weigh a whale? And how do whales drink water in the salty ocean? We have a whale of a time answering questions about these ocean-dwelling mammals with paleontologist Nick Pyenson, author of Spying on Whales: The Past, Present and Future of Earth's Most Awesome Creatures. Download our learning guides: PDF | Google Slide | Transcript
Why Can't Kids Vote?
October 09, 2020 16:53 - 29 minutes - 54.8 MBIn the United States, where But Why is based, we have a big election coming up. Election Day is officially on November 3rd. But more Americans than usual are voting in advance this year, sometimes in person at their town hall or city office. And sometimes by mailing in their ballot-that's the piece of paper where they mark down who they want to vote for. People in lots of states are voting for their governors, who help run their states, or their Congresspeople, who work in Washington to help...
Why Are Some Animals Pets And Others Are Lunch?
September 25, 2020 12:30 - 21 minutes - 19.9 MBThis episode may not be suitable for our youngest listeners or for particularly sensitive kids. We're discussing animal ethics with author Hal Herzog. In a follow up to our pets episodes, we look at how we treat animals very differently depending on whether we think of them as pets, food, or work animals. Why do some cultures eat cows and others don't? Why do some cultures not have pets at all? And is it okay to breed animals like dogs that have significant health problems even though we lo...
Why Do Dogs Have Tails?
September 11, 2020 12:30 - 20 minutes - 19.2 MBWhy do dogs have whiskers? Why are dogs' eyesight black and white? Why do dogs have so many babies? Why do dogs have tails and we don't? Why are dogs thumbs so high on their paw? Why don't dogs sweat? Why do dogs roll in the grass? Why aren't dogs and cats friends? Veterinarian and dog scientist Jessica Hekman has answers. Download our learning guides: PDF | Google Slides | Transcript | Coloring Page | Dog Breed Quiz | Answer Key
Why Do Cats Sharpen Their Claws?
August 28, 2020 12:30 - 23 minutes - 21.2 MBWhy do cats purr? How do cats purr? Why can't we purr? Why do cats "talk" to people, but not other cats? Why do cats sharpen their claws? Are orange cats only male? Why do cats like milk and not water? Why are some cats crazy? Can cats see color? All of your cat questions answered with Abigail Tucker, author of The Lion in the Living Room. Download our learning guide: PDF | Google Slide | Transcript | Coloring Page
Vaccines, Masks and Handwashing: A Coronavirus Update
August 14, 2020 12:30 - 28 minutes - 25.8 MBIn this installment, we follow up on our March episode about the novel coronavirus now that we know more about COVID-19 and how it spreads. Dr. Krutika Kuppalli, assistant clinical professor of infectious diseases at the Medical University of South Carolina, returns to answer questions about the things we can do to keep ourselves and those around us safe. And we'll learn about what vaccines are, how they're developed and the accelerated process for developing a coronavirus vaccine. Download...
How Do You Make Ice Cream?
July 31, 2020 13:47 - 24 minutes - 22.7 MBHow is ice cream made? Why does ice cream melt? Why does some ice cream melt faster than others? We’ll answer your questions about this summery concoction with Rabia Kamara, of Ruby Scoops in Richmond, Virginia. It’s going to be sweet. Download our learning guides: PDF | Google Slide | Recipe | Transcript