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image: Doctor Who Blocked Thalidomide Dies

Doctor Who Blocked Thalidomide Dies

By Kerry Grens | August 11, 2015

Frances Oldham Kelsey, a physician who halted use of a drug that caused birth defects in babies, has passed away at age 101.


image: Yeast Genome Doubling

Yeast Genome Doubling

By Amanda B. Keener | August 10, 2015

The results of a computational genetic analysis suggest Saccharomyces cerevisiae doubled its genome through species hybridization.


image: Investigating the Four-legged Snake Fossil

Investigating the Four-legged Snake Fossil

By Bob Grant | August 5, 2015

Brazilian officials are trying to determine whether the transformational fossil find was exported illegally from the country.

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image: FDA Approves 3-D–Printed Drug

FDA Approves 3-D–Printed Drug

By Jef Akst | August 4, 2015

The US Food and Drug Administration green lights the first medicine produced by a 3-D printer for use in the human body.

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image: Opinion: Life’s X Factor

Opinion: Life’s X Factor

By Nick Lane | August 4, 2015

Did endosymbiosis—and the innovations in membrane bioenergetics it engendered—make it possible for eukaryotic life to evolve?

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image: Drugging the Environment

Drugging the Environment

By Megan Scudellari | August 1, 2015

Humans have spiked ecosystems with a flood of active pharmaceuticals. The drugs are feminizing male fish, confusing birds, and worrying scientists.


image: Four-legged Snake Fossil Found

Four-legged Snake Fossil Found

By Bob Grant | July 27, 2015

Researchers discover an unprecedented paleontological relic that may just rewrite the book on snake evolution.


image: Warming Climate Hurt Megafauna?

Warming Climate Hurt Megafauna?

By Jef Akst | July 27, 2015

The massive mammals that roamed Earth some 30,000 years ago may have gone extinct as a result of global warming, according to an ancient-DNA study.

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image: “Feathered Poodle From Hell” Dino Found

“Feathered Poodle From Hell” Dino Found

By Kerry Grens | July 20, 2015

A newly discovered relative of Velociraptor had abundant plumage and birdlike wings.  


image: Biotech Buys Autoimmune Firm for $7B

Biotech Buys Autoimmune Firm for $7B

By Kerry Grens | July 16, 2015

Celgene has purchased Receptos, developer of an experimental multiple sclerosis drug.


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