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image: The Origins of O

The Origins of O

By | May 1, 2015

A strain of HIV that has afflicted more than 100,000 people emerged from gorillas.

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image: Think Before You Fire

Think Before You Fire

By | May 1, 2015

Industry layoffs may save a few dollars, at the cost of losing the collective brainpower of thousands of scientists.

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image: Bacterial Taxis Deliver Proteins

Bacterial Taxis Deliver Proteins

By | April 28, 2015

Reengineered protein-shuttling machinery can be used to inject a particular protein into mammalian cells, according to a proof-of-principle study.

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image: Puppy Love

Puppy Love

By | April 17, 2015

Dog owners bond with their four-legged friends via the same hormonal pathways through which human mothers bond with their babies.

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image: How a Popular Probiotic Works

How a Popular Probiotic Works

By | April 16, 2015

Eating a type of bacterium encourages the activity of other gut microbes, according to a small study.

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image: Gene Linked to Eating Disorders Tested

Gene Linked to Eating Disorders Tested

By | April 9, 2015

Mice lacking a gene implicated in human anorexia and bulimia weigh less than their littermates and display a variety of behavioral disorders.

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image: Behavior Brief

Behavior Brief

By | April 8, 2015

A round-up of recent discoveries in behavior research

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image: Like Breeds With Like

Like Breeds With Like

By | April 6, 2015

Mice pairs with similar anxiety levels produce offspring more quickly than coupled animals with differing personalities, according to a recent study.

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image: Enzyme Improves CRISPR

Enzyme Improves CRISPR

By | April 1, 2015

A smaller Cas9 protein enables in vivo genome engineering via viral vectors.

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image: Book Excerpt from <em>p53</em>

Book Excerpt from p53

By | April 1, 2015

In Chapter 12, "Of Mice and Men," author Sue Armstrong recounts the point at which researchers moved from working with p53 in tissue culture to studying the gene in animal models.

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