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image: Older Trees Grow Faster

Older Trees Grow Faster

By Bob Grant | 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 Tracy Vence | 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 Bob Grant | January 13, 2014

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

5 Comments

image: Settlement Signal

Settlement Signal

By Abby Olena | January 9, 2014

A marine bacterium generates contractile structures that are essential for the metamorphosis of a tubeworm.

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image: Capsule Reviews

Capsule Reviews

By Bob Grant | January 1, 2014

Are Dolphins Really Smart?, Newton's Football, Outsider Scientists, and We Are Our Brains

1 Comment

image: tenOever on microRNA and Vaccines

tenOever on microRNA and Vaccines

By Kerry Grens | January 1, 2014

January 2014 Scientist to Watch Benjamin tenOever discusses his research.

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image: How HIV Destroys Immune Cells

How HIV Destroys Immune Cells

By Dan Cossins | December 19, 2013

During HIV infection, CD4 T cells in lymphoid tissues initiate a highly inflammatory form of cell death that helps cripple the immune system.  

1 Comment

image: Unhealthy Chemicals Linked to Fracking

Unhealthy Chemicals Linked to Fracking

By Jef Akst | December 17, 2013

Water samples collected from natural gas extraction sites in Colorado contain hormone-disrupting chemicals linked to birth defects, infertility, and cancer.

1 Comment

image: Dogs, Dust Microbes, and Allergies

Dogs, Dust Microbes, and Allergies

By Ed Yong | December 16, 2013

Dust-borne bacteria from houses with dogs can prevent allergies in mice by changing their gut microbes.

2 Comments

image: Cancer and Immune Cells Merge

Cancer and Immune Cells Merge

By Kate Yandell | December 16, 2013

Mouse colon cancer cells can fuse with macrophages, leading to changes in tumor growth.

5 Comments

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