First up, host Sarah Crespi talks with Staff Writer Jon Cohen about some tricky ethical questions that may arise after the first coronavirus vaccine is authorized for use in the United States. Will people continue to participate in clinical trials of other vaccines? Will it still be OK to give […]
CDC changes definition of ‘close contact’ for COVID-19
The update follows the news that a correctional officer caught COVID-19 even though he was never around the infected people for more than a minute at a time.
Key language ability ‘existed in ancient primate ancestors’
Researchers say understanding relationships between words in a sentence is a trait that evolved at least 30 million years ago.
Turbulent environment set the stage for leaps in human evolution 320,000 years ago
Dinosaur Asteroid Hit Worst Case Place
The mass extinction asteroid happened to strike a place where the rock contained lots of organic matter, and sent soot into the stratosphere where it could block sunlight for years.
Troubles escalate at Ecuador’s dream research university
It was supposed to become Ecuador’s dream research university—an international hub for science and higher education, able to recruit top talent from around the world. Instead, 6-year-old Yachay Tech University, nestled in the mountains 2 hours north of Quito, has long been mired in conflicts. Now, Ecuador’s economic woes and […]
Want to make nice with the neighbors? Try sacrificing a few llamas
Some 500 years ago, four elaborately adorned llamas looked out over a low, grassy plain in the Acari Valley near the southern coast of what is now Peru for the last time. The animals, whose mummified remains were found in 2018, were ritually sacrificed and buried beneath the floor of […]
1-minute encounters may add up to spread COVID-19
A correctional officer caught COVID-19 even though he was never around the infected people for more than a minute at a time.
Source of near-indestructible beetle’s toughness discovered
Scientists have discovered the secret behind a beetle’s extraordinary resistance to being crushed.
Cryo–electron microscopy breaks the atomic resolution barrier at last
If you want to map the tiniest parts of a protein, you only have a few options: You can coax millions of individual protein molecules to align into crystals and analyze them using x-ray crystallography. Or you can flash-freeze copies of the protein and bombard them with electrons, a lower […]