Biology

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Why Brain Size Doesn't Correlate With Intelligence

We can nurture growth, but never really control it

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The Serene Beauty of Horses in the Womb

Photographer Tim Flach sees similarities between baby equines and humans

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If Cockroaches Are Conscious, Would That Stop You From Smushing Them?

Research has shown cockroaches are adept communicators, and can even show individual personality

Same-Sex Parenting Can Be an Adaptive Advantage

Same-sex bird couples produced fewer offspring than traditional couples, but they still reared more chicks than solo parents

The Microbes Living in Our Bodies Were Probably Once Evil Pathogens

The Salmonella of the past may today help us break down food in our gut, for example

Men Are Just As Picky As Women About Who They’d Date—If They’re the Ones Being Pursued

When women have to be the pursuer, they become much less picky

Should We Use Body Painting to Teach Anatomy?

Artist Danny Quirk's paintings on the skin of willing friends show in textbook-like detail the muscle, bone and tissue that lie underneath

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Fresh Brains Are Way Squishier Than You Thought

Brains are so soft that you can deform them with a touch

Photographer Rose-Lynn Fisher captures tears of grief, joy, laughter and irritation in extreme detail. Above: Tears of timeless reunion

The Microscopic Structures of Dried Human Tears

Photographer Rose-Lynn Fisher captures tears of grief, joy, laughter and irritation in extreme detail

Where Do Dogs Come From—Europe Or China?

Where were dogs first domesticated?

Do Our Brains Find Certain Shapes More Attractive Than Others?

A new exhibition in Washington, D.C., claims that humans have an affinity for curves—and there is scientific data to prove it

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The Current Outbreak of a Dolphin-Killing Virus Is the Deadliest in History

Based on past disease events, researchers estimate that this current cycle of the outbreak is likely only at the half way point

A páramo ecosystem in the Andes.

This Spot in the Andes May Be the Fastest-Evolving Place on Earth

Like isolated islands, evolution in these mountainous, unique environments seems to be ticking away at a faster beat than run-of-the-mill habitats

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This Scientist Let a Flea Live Inside Her In Order to Study It

To what lengths would you go for science?

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Watch a Cougar Grab a Salmon off a Zipline

More food should be delivered by zipline

Porcupines can be vicious killers. But not this one. This one is adorable.

Porcupine Quills Can Kill

Researchers in Italy watched porcupines corner a dog and stab it to death

African elephants in Kruger National Park

Elephants Never Forget When You Slaughter Their Family

Culling an elephant pack can destroy the survivors' social skills

Snakes’ Vision Sharpens When They’re Under Stress

This likely allows them to optimize their vision for situations that require the most attention to detail, and in the meantime save that visual energy

Okeanos: A Performance Where Dancers Move Like Octopuses and Seahorses

Jodi Lomask, director of the dance company Capacitor, has choreographed an ocean-inspired show, now at San Francisco's Aquarium of the Bay

Move Over Panda Cam, It’s Time for the Polar Bear Migration

In November, polar bears will be carrying on their annual migration, taking them right past the northerly Canadian town of Churchill

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