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image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By | May 22, 2013

The activity of one type of immune cell helps regrow the limbs of amputated salamanders.

3 Comments

image: Vitamin C Slays TB Bacteria

Vitamin C Slays TB Bacteria

By | May 21, 2013

The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.

1 Comment

image: Protective Phages

Protective Phages

By | May 20, 2013

Viruses that attack bacteria may be an important component of our gut microbiota.

2 Comments

image: Ladybird Bioterrorists

Ladybird Bioterrorists

By | May 16, 2013

The Asian harlequin ladybird carries a biological weapon to wipe out competing species.

4 Comments

image: Decoding Bacterial Methylomes

Decoding Bacterial Methylomes

By | May 15, 2013

A new technique could soon spur unprecedented insight into the role of bacterial epigenetics in the evolution of pathogen virulence.

1 Comment

image: Probing the Genetics of Intelligence

Probing the Genetics of Intelligence

By | May 15, 2013

Some geneticists are skeptical of a project that will analyze the DNA of high-IQ individuals to identify genetic variants related to intelligence.

3 Comments

image: Plants Communicate with Help of Fungi

Plants Communicate with Help of Fungi

By | May 14, 2013

Symbiotic fungi on the roots of bean plants can act as an underground signaling network, transmitting early warnings of impending aphid attacks.  

1 Comment

image: Blood Protein Rejuvenates Aging Heart

Blood Protein Rejuvenates Aging Heart

By | May 10, 2013

A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.

10 Comments

image: Arctic Foxes Suffer from Seafood Diet

Arctic Foxes Suffer from Seafood Diet

By | May 9, 2013

The decline of a population of Arctic foxes isolated on a small Russian island may be due to mercury pollution from their diet of seabirds and seals.

0 Comments

image: Ocean Floor Holds Ancient DNA

Ocean Floor Holds Ancient DNA

By | May 8, 2013

Genetic material recovered from sediment beneath the sea floor reveals ancient species not contained in the fossil record and could shed light on climate change.

0 Comments

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