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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: Dolphins by Name

Dolphins by Name

By | July 23, 2013

Bottlenose dolphins can recognize and respond to their own “signature whistles,” strengthening the evidence that these whistles function like names.

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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.

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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: Research Behind Bars

Research Behind Bars

By | July 1, 2013

Ecologist Nalini Nadkarni advances forest conservation and science advocacy by enlisting the help of prisoners.

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image: Science on Lockdown

Science on Lockdown

By | July 1, 2013

A forest ecologist comes down from the canopy to bring science to the masses, forming a series of improbable collaborations with prisoners.

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image: Sea Bugs

Sea Bugs

By | July 1, 2013

Ocean viruses can impact marine ecosystems in several ways.

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