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» stem cells, immunology and ecology

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image: Lymphatic Lines

Lymphatic Lines

By | August 1, 2012

Lymphatic vessels grow towards two chemokines, revealing signals that could be important in cancer metastasis.

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image: A Scientist Emerges

A Scientist Emerges

By | August 1, 2012

At age 16, Alexandra Sourakov has her first scientific publication, on the foraging behavior of butterflies.

3 Comments

image: Replacement Parts

Replacement Parts

By | August 1, 2012

To cope with a growing shortage of hearts, livers, and lungs suitable for transplant, some scientists are genetically engineering pigs, while others are growing organs in the lab.

18 Comments

image: Skin Microbes Alter Immunity

Skin Microbes Alter Immunity

By | July 30, 2012

Like commensal gut organisms, skin microbiota appear to help the mammalian immune system mature and stay regulated.

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image: Microbial Perfume

Microbial Perfume

By | July 23, 2012

Rather than rely on plant-derived products, biotech companies are engineering bacteria and yeast to produce ingredients for fragrances.

4 Comments

image: Small-Brained Fish Make More Babies

Small-Brained Fish Make More Babies

By | July 12, 2012

Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.

6 Comments

image: Genetic Shift in Salmon

Genetic Shift in Salmon

By | July 12, 2012

A new study finds that an Alaskan population of the fish has quickly evolved in response to warming temperatures.

1 Comment

image: Ovarian Stem Cell Debate

Ovarian Stem Cell Debate

By | July 9, 2012

Opinion is divided on a new paper showing that adult ovaries do not contain egg-making stem cells, contrary to the findings of two recent studies that themselves appeared to overturn longstanding dogma.

4 Comments

image: Stem Cell Trickery

Stem Cell Trickery

By | July 9, 2012

A postdoctoral research fellow at Emory University falsifies stem cell research data.

8 Comments

image: War-born Climate Change

War-born Climate Change

By | July 3, 2012

A nuclear war could have profound effects on crops yields around the world, according to a new study.

2 Comments

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