In this episode:
Humans are notable for their cooperation and display far more altruistic behaviour than other animals, but exactly why this behaviour evolved has been a puzzle. But in a new paper, the two leading theories have been put the test with a model and a real-life experiment. They find that actually neither theory on its own leads to cooperation but a combination is required for humans to help one another.
Research article: Efferson et al.
News and Views: Why reciprocity is common in humans but rare in other animals
The discovery of an ancient stone wall hidden underwater, and the fun that apes have teasing one another.
Research Highlight: Great ‘Stone Age’ wall discovered in Baltic Sea
Research Highlight: What a tease! Great apes pull hair and poke each other for fun
Optical discs, like CDs and DVDs, are an attractive option for long-term data storage, but these discs are limited by their small capacity. Now though, a team has overcome a limitation of conventional disc writing to produce optical discs capable of storing petabits of data, significantly more than the largest available hard disk. The researchers behind the work think their new discs could one day replace the energy-hungry hard disks used in giant data centres, making long-term storage more sustainable.
Research Article: Zhao et al.
20:10 Briefing ChatThe famous fossil that turned out to be a fraud, and why researchers are making hybrid ‘meat-rice’.
Ars Technica: It’s a fake: Mysterious 280 million-year-old fossil is mostly just black paint
Nature News: Introducing meat–rice: grain with added muscles beefs up protein
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Higgs boson turns ten: the mysteries physicists are still trying to solve
Ed Yong on the wondrous world of animal senses
Norovirus could spread through saliva: a new route for infection?
Audio long read: These six countries are about to go to the Moon
Coronapod: USA authorises vaccines for youngest of kids
How science can tackle inequality
How the Black Death got its start
Coronapod: COVID and smell loss, what the science says
Ancient 'giraffes' sported thick helmets for headbutting
Audio long read: The brain-reading devices helping paralysed people to move, talk and touch
Robot exercises shoulder cells for better tissue transplants
Coronapod: 'A generational loss' - COVID's devastating impact on education
X-ray analysis hints at answers to fossil mystery
How galaxies could exist without dark matter
Coronapod: 'viral ghosts' support idea that SARS-CoV-2 reservoirs could be behind long COVID
Retinas revived after donor's death open door to new science
Swapping in a bit of microbial 'meat' has big eco-gains
Coronapod: COVID and diabetes, what the science says
How virtual meetings can limit creative ideas
Audio long-read: The quest to prevent MS — and understand other post-viral diseases
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