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Posts published in “Technology”

Do dolphins feel grief?

Was this striped dolphin grieving for its dead companion? Scientists struggle to find the answer. Silvia Bonizzoni/Dolphin Biology and Conservation By Virginia MorellJun. 19, 2018…

NIH pulls the plug on controversial alcohol trial

iStock.com/JaysonPhotography By Meredith WadmanJun. 15, 2018 , 5:45 PM The National Institutes of Health (NIH) in Bethesda, Maryland, today killed a controversial clinical study that…

What turns bees into killer bees?

Brain protein fragments spur honeybees to be more aggressive. Solvin Zankl/Minden Pictures By Elizabeth PennisiJun. 15, 2018 , 2:30 PM Biochemists have tracked down the…

The little piece of DNA that makes girls boys

The XY chromosome combination defines a boy, but a tiny piece of regulatory DNA makes it happen. Maurizio De Angelis/Science Source By Elizabeth PennisiJun. 14,…

Ancient Earth froze over in a geologic instant

Scientists suspect several ancient snowball Earth episodes when the ice sheets covered the planet. John Sonntag/NASA By Lucas JoelJun. 7, 2018 , 4:40 PM Earth’s…

How minority viewpoints become majority ones

Tipping points for social change—such as the acceptance of gay marriage in Australia—have been hard to methodically test. AP Photo/Rick Rycroft By Roni DenglerJun. 7,…

NASA rover hits organic pay dirt on Mars

A mudstone drill site called Mojave on Mars was one of two yielding organic molecules resembling kerogen. NASA/JPL-CALTECH By Paul VoosenJun. 7, 2018 , 2:00…

Bees understand the concept of zero

iStock.com/Antagain By Matt WarrenJun. 7, 2018 , 2:00 PM Humans’ invention of zero was crucial for modern mathematics and science, but we’re not the only…

Allosaurus on the auction block

This dinosaur specimen from Wyoming is up for auction in Paris on Monday. AGUTTES By Colin BarrasJun. 1, 2018 , 3:00 PM On 4 June,…

Making grad school work for STEM students

Two postdocs at the University of California, San Francisco, make a sketch of their career paths as part of the National Institutes of Health–funded Broadening…

Will U.S. academies expel sexual harassers?

Marcia McNutt, head of the U.S. National Academy of Sciences, wants members to consider ejecting harassers. Stephen Voss By Meredith WadmanMay. 29, 2018 , 3:35…