SoT 153: Electric Cats
Science On Top
English - July 11, 2014 01:59 - 59 minutes - 42 MB - ★★★★★ - 5 ratingsNatural Sciences Science Health & Fitness Medicine news astronomy biology chemistry education geology maths microbiology physics science Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
The announcement earlier this year that the BICEP2 team had discovered gravitational waves is now mired in controversy. Dr. Alan Duffy joins us to explain why 'the biggest announcement' is now probably meaningless.
In 2012, Facebook manipulated the newsfeed of 689,003 users as part of a psychological experiment. The company claims it was able to alter the moods of some users, but the study's methodology and ethical concerns have drawn widespread criticism.
The electric eel - described by one researchers as "a 6-inch fish attached to a 5-1/2-foot cattle prod" - can deliver a powerful electric shock. Now, a study of its genome reveals this ability has evolved six separate times, in a remarkable example of convergent evolution.
According to the World Health Organisation, the current outbreak of Ebola virus has killed 467, making it the most severe in recorded history.
Italy is about to send its first female astronaut to the International Space Station, and she'll be taking a special zero-gravity coffee machine with her.