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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.

7 Comments

image: Stem Cells Phone Home

Stem Cells Phone Home

By Jef Akst | 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.

1 Comment

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: The Dark Side of Melanin

The Dark Side of Melanin

By Anna Azvolinsky | February 19, 2015

Researchers uncover a previously unknown way UV light can act on melanin, spurring cancer-causing mutations hours after sun exposure.

5 Comments

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.

1 Comment

image: Signs of Sleep Deprivation in the Blood

Signs of Sleep Deprivation in the Blood

By Bob Grant | February 11, 2015

Circulating fats and acids drop in people and rats that aren’t getting enough sleep.

1 Comment

image: Trapped in Time

Trapped in Time

By Jenny Rood | February 10, 2015

Ancient sulfur-eating deep-sea bacteria closely resemble modern variants, suggesting evolution may not occur in static environments.

1 Comment

image: Capsule Reviews

Capsule Reviews

By Bob Grant | February 1, 2015

Touch, The Altruistic Brain, Is Shame Necessary?, and Future Arctic

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image: Contributors

Contributors

By Molly Sharlach and Jenny Rood | February 1, 2015

Meet some of the people featured in the February 2015 issue of The Scientist.

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