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image: Short, Strong Signals

Short, Strong Signals

By Ruth Williams | March 25, 2015

Methylation increases both the activity and instability of the signaling protein Notch.

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image: Oldest <em>Homo</em> Remains Yet Found

Oldest Homo Remains Yet Found

By Ruth Williams | March 4, 2015

A newly discovered 2.8 million-year-old jawbone is thought to be that of a direct human ancestor.

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image: A Deathly Pallor

A Deathly Pallor

By Carina Storrs | March 1, 2015

Global warming could lead to lighter-colored insects with waning immune defenses.

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image: Capsule Reviews

Capsule Reviews

By Bob Grant | March 1, 2015

Evolving Ourselves, The Man Who Touched His Own Heart, Bats, and The Invaders

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image: Drunk Monkeys

Drunk Monkeys

By Jef Akst | March 1, 2015

UC Berkeley biologist Robert Dudley explains his "drunken monkey" hypothesis for how humans developed a taste for alcohol.

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image: Falling Out of the Family Tree

Falling Out of the Family Tree

By Jef Akst | March 1, 2015

A mutation in an ethanol-metabolizing enzyme arose around the time that arboreal primates shifted to a more terrestrial lifestyle, perhaps as an adaptation to eating fermented fruit.

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image: Evolutionary Rewiring

Evolutionary Rewiring

By Ruth Williams | February 26, 2015

Strong selective pressure can lead to rapid and reproducible evolution in bacteria.

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image: Marine Life Trending Larger

Marine Life Trending Larger

By Bob Grant | February 23, 2015

Ocean animals have been getting bigger over the millennia, according to an analysis of thousands of genera that have plied Earth’s seas since the Cambrian Period.

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image: Two New Jurassic Mammals Found

Two New Jurassic Mammals Found

By Bob Grant | February 13, 2015

Researchers working in China have unearthed the fossil remains of two diminutive mammals that speak volumes about faunal diversity during the Jurassic Period.

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image: Finch Findings

Finch Findings

By Jenny Rood | February 12, 2015

Full genomes of Darwin’s Galápagos finches reveal a critical gene for beak shape and three overlooked species.

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