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The massive rock that smashed into Earth 66 million years ago killed off many dinosaur species, but the animals were in steady decline for millennia before the cataclysm, researchers report.

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image: Tracking Zika’s Evolution

Tracking Zika’s Evolution

By | April 15, 2016

Sequence analysis of 41 viral strains reveals more than a half-century of change. 

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image: Lightning-Fast Spider Bites

Lightning-Fast Spider Bites

By | April 8, 2016

Trap-jaw spiders have the fastest, most powerful bite of any arachnid, scientists show. 

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image: Zooming In on an Antidepressant Target

Zooming In on an Antidepressant Target

By | April 6, 2016

Structural studies reveal how SSRI drugs bind to the human serotonin transporter.

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image: Accomplished Biophysicist Dies

Accomplished Biophysicist Dies

By | April 5, 2016

Harold Morowitz, who dedicated his career to investigating the origins of life, has passed away at age 88.

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image: New Epigenetic Mark Confirmed in Mammals

New Epigenetic Mark Confirmed in Mammals

By | April 1, 2016

Methylation on adenine bases is involved in the dampening of gene expression in mammalian cells, according to a study.

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image: Cancer's Vanguard

Cancer's Vanguard

By | April 1, 2016

Exosomes are emerging as key players in metastasis.

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image: Cancerous Conduits

Cancerous Conduits

By | April 1, 2016

Metastatic cancer cells use nanotubes to manipulate blood vessels.

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image: Capsule Reviews

Capsule Reviews

By | April 1, 2016

Lab Girl, The Most Perfect Thing, Half-Earth, and Cosmosapiens

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image: Tumor Traps

Tumor Traps

By | April 1, 2016

After surgery to remove a tumor, neutrophils recruited to the site spit out sticky webs of DNA that aid cancer recurrence.

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