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image: Rethinking the Rise of Mammals

Rethinking the Rise of Mammals

By | November 16, 2015

Mammals diversified 30 million years later than previously estimated, according to a new analysis of an ancient fossil.

3 Comments

image: Blood-Gut Barrier

Blood-Gut Barrier

By | November 12, 2015

Scientists identify a barrier in mice between the intestine and its blood supply, and suggest how Salmonella sneaks through it.

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image: New Route to Hearing Loss Mapped

New Route to Hearing Loss Mapped

By | November 5, 2015

Deficiency in a protein called pejvakin makes inner ear cells more vulnerable to sound, unable to brace themselves against oxidative stress stimulated by noise. 

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image: Latest in Heart Stem Cell Debate

Latest in Heart Stem Cell Debate

By | October 26, 2015

Given the right environment, cKit+ cells from the mouse heart can develop into new cardiac muscle, according to a study.

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image: Riboswitch Flip Kills Bacteria

Riboswitch Flip Kills Bacteria

By | September 30, 2015

Scientists discover a novel antibacterial molecule that targets a vital RNA regulatory element.

4 Comments

image: How Caffeine Affects the Body Clock

How Caffeine Affects the Body Clock

By | September 16, 2015

Evening consumption of the drug leads human circadian rhythms to lag.

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image: Identity-Shifting Brain Cells

Identity-Shifting Brain Cells

By | September 10, 2015

Cortical interneurons in mice exhibit activity-dependent alterations to their characteristic firing patterns.

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image: New <em>Homo</em> Species Found

New Homo Species Found

By | September 10, 2015

Researchers describe H. naledi, an ancient human ancestor of unknown age that may have buried its dead.

8 Comments

image: Irisin Redeemed

Irisin Redeemed

By | August 13, 2015

Researchers who first identified irisin quantitate levels of the hormone in human blood and show it is released during exercise.  

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image: Opinion: Life’s X Factor

Opinion: Life’s X Factor

By | August 4, 2015

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

1 Comment

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