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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.


image: The Downside of Antibiotics?

The Downside of Antibiotics?

By | July 3, 2013

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


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: 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.


image: Bird Flu Mutation Risk

Bird Flu Mutation Risk

By | June 6, 2013

Some H5N1 and H7N9 bird flu viruses could be one mutation away from spreading efficiently between humans.


image: Muscle Disease Gene Identified in Fish

Muscle Disease Gene Identified in Fish

By | June 4, 2013

Scientists discover gene behind an inherited muscle disorder by studying zebrafish embryos.


Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.


image: Inhibit Mitochondria to Live Longer?

Inhibit Mitochondria to Live Longer?

By | May 22, 2013

Researchers find that reducing mitochondrial protein production in some animals can increase lifespan by activating a protective stress response.



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