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image: Immune Response Promotes Infection

Immune Response Promotes Infection

By | February 6, 2014

Salmonella enterica can exploit a standard immune response in mice to promote its own growth.

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image: Pruning Synapses Improves Brain Connections

Pruning Synapses Improves Brain Connections

By | February 2, 2014

Without microglia to pluck off unwanted synapses in early life, mouse brains develop with weaker connections, leading to altered social behavior.

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image: Week in Review: January 27–31

Week in Review: January 27–31

By | January 31, 2014

Stimulus-triggered pluripotency; antioxidants speed lung tumor growth; the importance of seminal vesicles; how a plant pathogen jumps hosts

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image: New Method for Reprogramming Cells

New Method for Reprogramming Cells

By | January 29, 2014

An external stressor, such as low pH or a mechanical squeeze, can send differentiated mouse cells back to a pluripotent state.

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image: Week in Review: January 20–24

Week in Review: January 20–24

By | January 24, 2014

Mistimed sleep disrupts human transcriptome; canine tumor genome; de novo Drosophila genes; UVA light lowers blood pressure; aquatic microfauna fight frog-killing fungus

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image: New Suspect in Bee Colony Collapse

New Suspect in Bee Colony Collapse

By | January 21, 2014

A virus that causes blight in plants may contribute the catastrophic decline of honeybee colonies.

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image: Polymer Protects Mouse Heart

Polymer Protects Mouse Heart

By | January 20, 2014

Injection of microscopic particles of a plastic-like material protects mice from cardiac tissue damage following heart attack.

1 Comment

image: Older Trees Grow Faster

Older Trees Grow Faster

By | January 20, 2014

Mature trees soak up more CO2 than younger ones, a study shows, overturning a bit of botanical dogma.

3 Comments

image: Fewer Female Snail Penises

Fewer Female Snail Penises

By | January 14, 2014

Researchers are now spotting fewer cases of imposex—in which female sea snails develop male sexual organs—as a result of a chemical ban instituted in 2008.

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image: Large Carnivores Under Siege

Large Carnivores Under Siege

By | January 13, 2014

As populations of top predators decline in ecosystems the world over, researchers chart the widespread effects.

5 Comments

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