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image: Birth of the Skin Microbiome

Birth of the Skin Microbiome

By | November 17, 2015

The immune system tolerates the colonization of commensal bacteria on the skin with the aid of regulatory T cells during the first few weeks of life, a mouse study shows.

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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.

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image: Cas9 Proofreads Gene Edits

Cas9 Proofreads Gene Edits

By | November 13, 2015

The gene-editing CRISPR/Cas9 system has three checkpoints to ensure it alters the right section of DNA.

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image: A Tiny Missing Link?

A Tiny Missing Link?

By | November 2, 2015

The common ancestor of all apes, including great apes and humans, may have been not-so-great in stature.

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image: Microbesity

Microbesity

By | November 1, 2015

Obesity appears linked to the gut microbiome. How and why is still a mystery—but scientists have plenty of ideas.

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image: Evolution of the Penis

Evolution of the Penis

By | October 30, 2015

A phallus-less reptile goes through a developmental stage with external genitalia, suggesting a common origin for the organ among amniotes.

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image: Dogs Originated in Central Asia

Dogs Originated in Central Asia

By | October 21, 2015

Man’s best friend was domesticated near Nepal and Mongolia at least 15,000 years ago, according to a genetic analysis.

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image: Life Before 4 Billion Years Ago?

Life Before 4 Billion Years Ago?

By | October 20, 2015

A new estimate of the origin of life on Earth pushes back the date by 300 million years.

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image: Negative Thinking

Negative Thinking

By | October 1, 2015

Researchers uncover the first light-controlled negative-ion channels in algae, and they are fast.

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image: Lost Colonies

Lost Colonies

By | October 1, 2015

Next-generation sequencing has identified scores of new microorganisms, but getting even abundant bacterial species to grow in the lab has proven challenging.

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