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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: Week in Review, July 8–12

Week in Review, July 8–12

By | July 12, 2013

Editor accused of fraud leaves post; the good and the bad of gut microbiota; bacterial gene shuffle; legal restrictions hamper illicit drug research; antibodies and autism

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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: Side-Chain Theory, circa 1900

Side-Chain Theory, circa 1900

By | July 1, 2013

Paul Ehrlich came up with an explanation for cellular interactions based on receptors, earning a Nobel Prize and the title "Father of Modern Immunology"—only to have his theory forgotten.

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image: Week in Review, June 17–21

Week in Review, June 17–21

By | June 21, 2013

On the gene patent decision; a high-res human brain model; bats’ influence on moths mating calls; toxicants threaten brain health; platelet-driven immunity

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image: Father of Crystallography Dies

Father of Crystallography Dies

By | June 17, 2013

Nobel Laureate Jerome Karle has passed away at age 94.

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