Pandemics & Pathogens Past & Present artwork

Pandemics & Pathogens Past & Present

67 episodes - English - Latest episode: about 2 years ago - ★★★★★ - 3 ratings

About Pandemics, Epidemics, Outbreaks, Viruses, and Other Pathogens in History

Natural Sciences Science aids bacteria black death bubonic plague cholera coronavirus covid crispr
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Episodes

Wrap Up Ep. 31

April 06, 2022 23:48 - 13.7 MB

A review of a few basics. The end. 7 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Extinct Isotopes Ep. 30

April 06, 2022 23:46 - 13.7 MB

What are extinct isotopes and what do they tell us? 10 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Radioisotope Thermoelectric Generator Ep. 29

April 06, 2022 23:42 - 16.1 MB

What’s an RTG? How does it work? RTG accidents. 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Murder by Isotope Ep. 28

April 06, 2022 23:39 - 15.8 MB

Have isotopes been used to kill people? Of course they have. 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Murder By Isotope Ep. 28

April 06, 2022 23:39 - 15.8 MB

Have isotopes been used to kill people? Of course they have. 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Detecting Isotopes Ep. 27

April 03, 2022 23:38 - 15.3 MB

Methods to detects isotopes. The Geiger counter. The scintillation counter. Mass spectrometry. Nuclear magnetic resonance spectroscopy. 11 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Decay Series Ep. 26

April 03, 2022 23:34 - 16.2 MB

What is a decay series? A few extra facts about Uranium. 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

U-235 Fission Ep. 25

April 03, 2022 23:30 - 12.4 MB

How does a U-235 atomic bomb work? How does fission work. What’s a chain reaction? 9 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Kik The Woolly Mammoth Ep. 24

March 31, 2022 23:56 - 8.62 MB

Who was Kik and how were isotopes used to learn about him? 6 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Krypton-86 Ep. 23

March 31, 2022 23:47 - 11.2 MB

The discovery of Krypton. It’s properties. It’s uses and some Krypton trivia. 8 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Cosmogenic Isotopes Ep. 22

March 31, 2022 23:43 - 8.3 MB

What are cosmogenic isotopes? What can they tell us? 6 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Americium-241 Ep. 21

February 22, 2022 00:55 - 7.05 MB

How did this element get its name? Where would you find it? Can you make a nuclear bomb from a household item? 5 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Isotope Clumping Ep. 20

February 22, 2022 00:50 - 13.5 MB

What is isotope clumping and what can it tell us? 10 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Positron Emission Tomography Ep. 19

February 22, 2022 00:47 - 11.1 MB

Positrons! So cool. Check it out. 8 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Radioimaging Ep. 18

February 22, 2022 00:44 - 6.71 MB

How are isotopes used in medical imaging? 5 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Targeted Radioisotope Therapy Ep. 17

February 22, 2022 00:42 - 9.6 MB

How is targeted radioisotope therapy different from brachytherapy? 7 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Brachytherapy Ep. 16

February 22, 2022 00:38 - 7.38 MB

What is brachytherapy and how are isotopes involved? 5 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Urea Breath Test Ep. 15

February 14, 2022 00:52 - 7.57 MB

What is the urea breath test used for and how are isotopes involved? 6 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Doubly Labeled Water Ep. 14

February 14, 2022 00:47 - 19.2 MB

What is double labeled water? How is it useful? 14 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Heavy Water Ep. 13

February 13, 2022 01:11 - 15.8 MB

What is heavy water? What are its properties? 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Zinc Tracers & Biomarkers Ep. 12

February 13, 2022 01:07 - 10.2 MB

What is a tracer? How are isotopes involved? 7 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Ötzi the Iceman Ep. 11

February 13, 2022 01:02 - 12.9 MB

Who was Ötzi? What did isotopes tell us about him? 9 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

King Richard III Ep. 10

February 11, 2022 02:15 - 12 MB

What did isotopes tell us about King Richard III? 9 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Isotope Fractionation Ep. 9

February 11, 2022 02:08 - 10.3 MB

What is isotope fractionation? How is it used? 7 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Carbon Dating Ep. 8

February 11, 2022 01:09 - 10.7 MB

What is carbon dating? Also, what are Seuss Effects? 8 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Primordial Isotopes Ep. 7

February 11, 2022 01:05 - 12.3 MB

What are primordial isotopes? Also some random isotope facts. 9 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Types of Radioactive Decay Ep. 6

February 11, 2022 00:48 - 12.5 MB

What is radioactive decay? How do atoms decay? 9 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Stable vs Radioactive Ep. 5

February 08, 2022 00:54 - 16.2 MB

Some isotopes are stable. Some are radioactive. What’s the difference? 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

What’s an Isotope? Ep. 4

February 08, 2022 00:50 - 12 MB

How isotopes are defined. Examples. 9 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Atoms. Ep. 3

February 08, 2022 00:47 - 8.5 MB

How atoms are constructed. 6 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

The Standard Model. Ep. 2

February 07, 2022 00:57 - 8.06 MB

A review of what particles make up the universe. 6 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

It’s About Isotopes. Ep. 1

February 07, 2022 00:07 - 3.43 MB

Why isotopes? An introduction to the series. 4 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Special Topic: COVID-19 Vaccines. Ep. 34

November 04, 2020 01:12 - 16.6 MB

First I discuss the phases of drug or vaccine trials, then discuss the immune system, and finally outline the various approaches to COVID-19 vaccines (which largely applies to vaccines in general), including very recent advances in types of vaccines, and what the COVID-19 vaccine picture looks like in the Fall of 2020 – what companiesContinue reading "Special Topic: COVID-19 Vaccines. Ep. 34"

Special Topic: The He Jainku Controversy. Ep. 33

November 04, 2020 01:09 - 9.91 MB

What did this guy do? Why was it so controversial? Hint: It involves CRISPR (Ep 31) and adeno-associated retroviruses (Ep 10) and making “designer babies.” 13 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Special Topic: How Pandemics End. Ep. 32

November 04, 2020 01:08 - 9.37 MB

First, I revisit the smallpox vaccine. Then I review a Ted Talk by Alex Rosenthal regarding how pandemics can end via three possible strategies. 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Special Topic: CRISPR. Ep. 31

November 04, 2020 01:05 - 7.22 MB

What is it and what is it good for? My prediction, on September 3, 2020, that Emmanuelle Charpentier and Jennifer A. Doudna would win the Nobel Prize. They won on October 7, 2020. 16 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Malaria. Ep. 30

November 04, 2020 01:00 - 13.7 MB

What it is. Discovery of malaria. It’s life cycle. Connection to sickle cell anemia. Historical outbreaks. The Vampire of Lugano (vampires again!). Link between malaria and slavery in America? Current situation. World Mosquito Day? 18 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Tuberculosis. Ep. 29

November 03, 2020 18:48 - 14.1 MB

Deadly stats. What it is. How it works. “Consumption.” Drug-resistant TB. Historical outbreaks. TB and vampires? Sanitariums. Vaccine. The “romantic disease.” Famous people who had TB. 18 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Measles. Ep. 28

November 03, 2020 01:20 - 11.7 MB

What it is and how it works. The measles vaccine. Anti-vaccination sentiment. The origin of measles and historical outbreaks. 15 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

Typhus & How Bacteria Work. Ep. 27

November 03, 2020 01:17 - 9.79 MB

Types of typhus. Symptoms. I then swerve into a discussion of how bacteria work. Then back to typhus: How it works. Is there a vaccine? Historical outbreaks. Typhus in literature and on television. Anne Frank. 12 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

2014-2016 West African Ebola Epidemic. Ep. 26

November 03, 2020 01:15 - 11.2 MB

It’s origin. Stats. Ebola in the US and political ramifications. About the virus: symptoms & how it works. Vaccine development. 14 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

2009 “Swine Flu” and the Evolution of Flu Strains. Ep. 25

November 03, 2020 01:13 - 12.3 MB

Swine flu details & stats. Why called Swine Flu? Barack Obama’s response & criticism. Also, how did flu viruses evolve? What flu strains existed over the decades & where did they come from? How do new strains come about? Finally, I go through the whole evolution of flu strains from 1918 Spanish Flu through theContinue reading "2009 “Swine Flu” and the Evolution of Flu Strains. Ep. 25"

SARS and MERS. Introduction to Coronaviruses. Ep. 24

November 03, 2020 01:11 - 13.5 MB

The facts of the SARS & MERS outbreaks. Responses to the threats. What are coronaviruses? 17 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

HIV/AIDS Part 2. Ep. 23

November 03, 2020 00:12 - 12.1 MB

Virology of AIDS (how it infects). G. W. Bush’s AIDS relief program. HIV drugs. ART (anti-retroviral therapy). Work on HIV vaccines – why so difficult. “Cured” patients. HIV-denialist Peter Duesberg. The work of Robert Gallo and Luc Montagnier. 15 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

HIV/AIDS Part 1. Ep. 22

November 01, 2020 00:46 - 11.6 MB

Symptoms. Treatment. Origin. History of cases from the 1970’s. Politics/Ronald Reagan. AIDS organizations. Ryan White. Other famous victims. Statistics. 15 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

1968 “Hong Kong Flu.” Ep. 21

November 01, 2020 00:41 - 8.87 MB

First I mention a 1348 plague-related riot in Germany. Then I talk about how the 1918 flu might have changed history when President Woodrow Wilson came down with it. Then I turn to the 1968 flu. How did it arise? Who was affected? What about Woodstock? 11 min Pandemics & Pathogens Past & Present [email protected] reading "1968 “Hong Kong Flu.” Ep. 21"

1957 “Asian Flu.” Ep. 20

November 01, 2020 00:37 - 10.5 MB

First I try to guess at what pathogens killed the most people in all of history. (I revise this in a later episode.) Also a little cholera story. Then the story of the Asian Flu. About flu subtypes and the origin of the Asian Flu. 13 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagramContinue reading "1957 “Asian Flu.” Ep. 20"

Polio Part 2. Vaccines. Ep. 19

November 01, 2020 00:26 - 13.4 MB

The development of them (drama!). Koprowski’s live attenuated vaccine vs. Salk’s dead-virus injectable vaccine. How Koprowski’s vaccine was made (wild science). Experimenting on disabled or prison poluations (not cool). Roosevelt and the March of Dimes. The Koprowski/Sabin sugar cube vaccine. Legacy of Jonas Salk. Some real polio stories I cultivated from folks on FB. 17Continue reading "Polio Part 2. Vaccines. Ep. 19"

Polio Part 1. Ep. 18

November 01, 2020 00:22 - 12.2 MB

What is it? How long has it been around? Polio in the 1900’s. President Franklin Roosevelt. Weird early treatments. The Iron Lung. 1950’s outbreaks. 16 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode

The 1918 “Spanish Flu.” Ep. 17

November 01, 2020 00:13 - 14.1 MB

Why was it called that? How it happened. Who was affected and theories about why. Masks! Social distancing! Snake oil cures. Yes, literally snake oil. 17 min Pandemics & Pathogens Past & Present [email protected] @chemsmithInstagram @timcsmith1961 Direct Link to episode