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image: Arctic Bacteria Thrives at Mars Temps

Arctic Bacteria Thrives at Mars Temps

By | May 23, 2013

Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.

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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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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.

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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.

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image: Protective Phages

Protective Phages

By | May 20, 2013

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

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image: Ladybird Bioterrorists

Ladybird Bioterrorists

By | May 16, 2013

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

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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.

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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.

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