Observations
Humans Are Still Mating with Neandertals
A Valentine’s Day meditation on why bright women sometimes gravitate to not-so-bright men
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Roots of Unity
The Voices of Black Mathematicians
Black History Month in the U.S. is a good time to celebrate these important people
Laelaps
Spectacular Fossil Bird Foot Preserved in Amber
A rare amber inclusion underscores the importance of carnivores to the fossil record
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Taking Some of the Pain out of Human–Wildlife Conflict
Tigers, leopards, elephants and more wreak havoc on farms and villages in India, but a compensation program can ease the sting—and conserve the animals
The International Space Station as a Teaching Tool
More than two million students have taken part in the Space Station Explorers program
We've Lost Touch with Our Bodies
But we can get it back through a process known as “interoception”
Appalachia's Fight to Lessen the Impact of Substance Misuse
A needle-exchange program in Virginia is a good first step—but isn’t enough by itself
The Emotional Toll of Grad School
Mental health disorders and depression are far more likely for grad students than they are for the average American
Tiny Organs in Orbit
Cultured human lung, heart and kidney cells flying onboard the International Space Station could reveal much about aging and disease
The Astonishing Origin of Garnets in Rhyolite
Garnet is the January birthstone. It doesn't always form how you might expect...
The Fairy-Tale Asteroid
The asteroid Ryugu gets its naming theme
The Deep Roots of Fake News
A new history of the U.S. traces mass media’s destabilizing effects back to the nation’s birth...
Even Kids Can Understand That Algorithms Can Be Biased
Alexandria Ocasio-Cortez is right: machines can lead to racist outcomes
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