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image: Who Sleeps?

Who Sleeps?

By Jerome Siegel and The Scientist Staff | March 1, 2016

Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.

5 Comments

image: Week in Review: February 22–26

Week in Review: February 22–26

By Jef Akst | February 26, 2016

Questions about how E. coli evolves; spermatids in a dish; fighting bacteria with virus-like molecule; what drives metastasis; antibodies fight Ebola in monkeys

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image: Similar Data, Different Conclusions

Similar Data, Different Conclusions

By Ashley P. Taylor | February 23, 2016

By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.

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image: Chat With Charlie

Chat With Charlie

By The Scientist Staff | February 1, 2016

See a preview of the app that lets you ask questions of a virtual Charles Darwin.

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image: Fighting Back

Fighting Back

By Mary Beth Aberlin | February 1, 2016

Plants can’t run away from attackers, so they’ve evolved unique immune defenses to protect themselves.

0 Comments

image: iDarwin

iDarwin

By Jef Akst | February 1, 2016

A synthetic interview with the father of evolutionary theory, now available as a smartphone app, teaches students and the public about the famed biologist.

3 Comments

image: Jason Holliday: Tree Tracker

Jason Holliday: Tree Tracker

By Jef Akst | February 1, 2016

Associate Professor, Virginia Tech, Department of Forest Resources and Environmental Conservation. Age: 37

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image: Lizard Secretes Heat

Lizard Secretes Heat

By Bob Grant | January 25, 2016

Researchers confirm the unprecedented endothermic abilities of a South American reptile.

1 Comment

image: How Multicellularity Arose

How Multicellularity Arose

By Jef Akst | January 11, 2016

Researchers identify a molecule that may have been key to the surprisingly common transition from single-celled ancestors to today’s complex, multicellular organisms. 

0 Comments

image: Genome Digest

Genome Digest

By Catherine Offord | January 8, 2016

What researchers are learning as they sequence, map, and decode species’ genomes

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