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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: 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: Week in Review, July 1–5

Week in Review, July 1–5

By | July 5, 2013

Fraudulent journal editor?; fat cells detect temp, generate heat; the importance of social media in science communication; functional livers from iPSCs; antibiotics damage mitochondria

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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: Opinion: Tweeting to the Top

Opinion: Tweeting to the Top

By | July 2, 2013

The lines between scholarly and traditional forms of popular communication are fading, and scientists need to take advantage.

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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: 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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image: Platelets Help Tackle Bacteria

Platelets Help Tackle Bacteria

By | June 16, 2013

The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.

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image: Opioid Receptors Implicated in PTSD

Opioid Receptors Implicated in PTSD

By | June 7, 2013

A compound that targets a particular opioid receptor in the amygdala reduces the formation of PTSD-like systems in mice subjected to severe trauma.

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