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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: 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.  

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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.

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image: Discoverer of Lysosomes Dies

Discoverer of Lysosomes Dies

By | May 8, 2013

Christian de Duve chose to be euthanized at home in Belgium at age 95.

2 Comments

image: Telomeres Affect Gene Expression

Telomeres Affect Gene Expression

By | May 5, 2013

As telomeres shorten with age, genes as far as 1,000 kilobases away could be affected, including one responsible for an inherited muscle disease.

2 Comments

image: Re-sensitizing Resistant Bacteria

Re-sensitizing Resistant Bacteria

By | May 2, 2013

Researchers use a protein-lipid complex found in human breast milk to increase the activity of otherwise-ineffective antibiotics against drug-resistant pathogens.

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