PNAS

tech-science

How the Black Plague Left Traces in Arctic Ice

Charlemagne’s iconic silver currency increased industrial lead pollution, while the Black Death caused it to plummet.
Becky Ferreira
7.8.19
tech-science

Ravens Spread Negative Emotions to Their Friends, Study Finds

“Our findings thus suggest negative emotional contagion in ravens, and in turn advance our understanding of the evolution of empathy.”
Becky Ferreira
5.21.19
climate change

Arctic Warming Will Cost At Least $24 Trillion More Than We Thought, Study Finds

The economic losses of climate change, both past and future, are outlined in two new studies this week.
Becky Ferreira
4.23.19
Levitation

Watch Sound Waves Levitate Small Objects In Different Directions

A new type of acoustic levitation called "holographic acoustic tweezers" is mesmerizing to watch.
Daniel Oberhaus
12.19.18
you're being watched

This Is How Much Marketers Know About You Based on One Facebook Like

A new study indicates that it’s incredibly easy to target ads based on users’ personality types.
Louise Matsakis
12.4.17
energy

The Clean Energy Debate Is Fueling One of the Most Vitriolic Fights in Science Publishing

A Stanford scientist says one of America's best science journals published a paper "riddled with intentional misinformation" from the fossil fuel industry.
John Wenz
Jason Koebler
6.19.17
NEW ZEALAND

Apparently, New Zealand's Ice Age Was a Great Time For Kiwi

The secrets of New Zealand's ice age have been hiding in kiwi DNA.
Sarah Emerson
8.31.16
camouflage

Astrophysics Explains How Cephalopods Can See Color In Black and White

How do squids and octopus change colors if they can't even see them?
Sarah Emerson
7.6.16
mental health

We All Hallucinate! Just Some of Us More Than Others

Understanding the mechanisms that give rise to psychosis could help us find a better cure for it.
Emiko Jozuka
10.12.15
Science

Plastic Will Be Inside Nearly Every Seabird on Earth by 2050

​Oceans are the world's forgotten landfill, and seabirds are turning into flying garbage cans.
Derek Mead
8.31.15
Science

There's New Evidence for an Alternate Theory of the Origin of Life

How the building blocks of life helped build each other.
Maddie Stone
6.3.15
News

This New Gene Editing Technique Could Turn The Tide on Antibiotic Resistance

In a proof-of-concept, researchers used CRISPR/Cas to erase genes that make E. Coli resistant to antibiotics.
Paul Tadich
5.18.15
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