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image: Week in Review, July 22–26

Week in Review, July 22–26

By | July 26, 2013

Faux stem cells; X chromosome involved in sperm production; rewarding peer review; clues to flatworm regeneration; an ethereal glow signals death

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image: A Wild Stem Cell Chase

A Wild Stem Cell Chase

By | July 24, 2013

A rigorous new study provides strong evidence that very small embryonic-like stem cells hypothesized to be found in mice and humans do not exist.

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image: Dying Worms Emit Ethereal Glow

Dying Worms Emit Ethereal Glow

By | July 24, 2013

A head-to-tail wave of blue fluorescence signals the death of a nematode worm.

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image: Opinion: Marine Canaries in the Coalmine

Opinion: Marine Canaries in the Coalmine

By and | July 18, 2013

Seabirds can serve as indicators of pollution.

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image: Gene Therapy Coming of Age?

Gene Therapy Coming of Age?

By | July 11, 2013

Using lentiviral vectors to replace mutated genes in blood stem cells, scientists successfully treat two rare diseases apparently without causing harmful side effects.

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image: The Downside of Antibiotics?

The Downside of Antibiotics?

By | July 3, 2013

Bacteria-killing antibiotics might also damage a person’s tissues.

3 Comments

image: Temperature-Sensing Fat Cells

Temperature-Sensing Fat Cells

By | July 1, 2013

Researchers discover that unlike brown fat cells, white fat cells can directly sense cooling temperatures to switch on genes that control heat production.

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image: Meet the Marmots

Meet the Marmots

By | July 1, 2013

UCLA ecologist Dan Blumstein tracks a fluctuating population of the alpine rodents in Colorado that has been studied for more than 40 years.

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image: The Long View

The Long View

By | July 1, 2013

In the era of Big Data, research projects that focus on phenomena that unfold across decades have distinct benefits—and some drawbacks.

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image: New Species on the Block

New Species on the Block

By | June 27, 2013

A bird living in the Cambodian capital is named as a new species.

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