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image: Who Sleeps?

Who Sleeps?

By and | 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 | 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 | 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: Adjustable Brain Cells

Adjustable Brain Cells

By | February 18, 2016

Neighboring neurons can manipulate astrocytes. 

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image: Demystifying BOLD fMRI Data

Demystifying BOLD fMRI Data

By | February 17, 2016

What does blood oxygen level–dependent functional magnetic resonance imaging actually tell us about brain activity? 

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image: More Mini Brains

More Mini Brains

By | February 17, 2016

Simple versions of brain organoids could serve as new models for testing the effects of drugs, researchers reported at this year’s AAAS meeting. 

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image: Chat With Charlie

Chat With Charlie

By | 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 | February 1, 2016

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

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image: Hormone Hangover

Hormone Hangover

By | February 1, 2016

Medication to prevent prematurity in humans harms cognitive flexibility in rats.

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image: iDarwin

iDarwin

By | 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

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