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

Oldest Homo Remains Yet Found

By | 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 | 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 | 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 | 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 | 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: How We Age

How We Age

By | March 1, 2015

From DNA damage to cellular miscommunication, aging is a mysterious and multifarious process.

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image: Evolutionary Rewiring

Evolutionary Rewiring

By | February 26, 2015

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

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image: Stem Cells Phone Home

Stem Cells Phone Home

By | February 26, 2015

A screen of 9,000 small molecules identifies a treatment that improves the targeting of mesenchymal stem cells to sites of damaged tissue.

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image: Stemming Genetic Changes in Cultured Cells

Stemming Genetic Changes in Cultured Cells

By | February 25, 2015

Researchers report an association between culture conditions and genetic changes in stem cells over time.

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image: Marine Life Trending Larger

Marine Life Trending Larger

By | 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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