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Jun 16

Your next happy hour buzz, brought to you by bees

By Nsikan Akpan, Matt Ehrichs

Only two species of yeast --- ale yeast and lager yeast -- have been used for traditional beer brewing over the last 600 years. A lab in North Carolina may have found a third in the strangest place: On bees…

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May 24

Thar she grows! How whales got so big

By Andrew Wagner

Using computer models based on a Smithsonian's fossil collection, evolutionary biologists now believe whales' gigantic size was driven by climate change.

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Apr 06

If you had to eat a human, which body part should you pick first?

By Nsikan Akpan

To better understand the historical motivations of cannibalism, a new study looks into the nutritional value of human body parts.

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Mar 15

How global warming leads to tiny horses and other shrinking mammals

By Nsikan Akpan

Ancient teeth reveal when the Earth gets warmer, mammals shrink consistently in size.

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Mar 10

Why did humans evolve big brains? We don’t know, but math can help

By Kristin Hugo

Evolutionary biologists can use this new equation to test their ideas for how the human brain got so big.

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Jan 05

Watch 6:56
How CRISPR gene editing puts scientists in the driver’s seat of evolution

By PBS News Hour

Imagine you could edit a mouse’s genes to be resistant to Lyme Disease. The mouse would breed and evolution would take its course, leading to the extinction of the disease. That’s the vision for scientists developing CRISPR, technology that allows…

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Nov 30

Lucy, our famous ancestor, was built for tree-dwelling

By Kristin Hugo

Bone scans of Lucy, our ever popular human ancestor, suggest early hominins may have spent millions of years “monkeying around” in trees.

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Jul 06

Why a goat may stare at you with puppy dog eyes

By Nsikan Akpan

Goats, like dogs, stare at humans when in need, according to a new study.

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Jun 24

Naked lizard proves hair, scales and feathers descend from single reptilian ancestor, study says

By Leigh Anne Tiffany

A decades-long scientific debate is finally resolved, thanks to a scaleless mutant lizard.

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Jun 15

Mirror-image molecule near Milky Way’s heart gives glimmer of life’s origins

By Nsikan Akpan

A weird chemical phenomenon called chirality, which is critical for life, has been observed in space for the first time.

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