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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: Behavior Brief

Behavior Brief

By Dan Cossins | May 23, 2013

A round-up of recent discoveries in behavior research

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image: Inhibit Mitochondria to Live Longer?

Inhibit Mitochondria to Live Longer?

By Sabrina Richards | May 22, 2013

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


image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By Edyta Zielinska | May 22, 2013

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


image: Vitamin C Slays TB Bacteria

Vitamin C Slays TB Bacteria

By Dan Cossins | 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 Edyta Zielinska | May 20, 2013

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


image: Opinion: Ethics Training in Science

Opinion: Ethics Training in Science

By James Hicks | May 14, 2013

The NIH has required researchers to receive instruction about responsible conduct for more than 20 years, but misconduct is still on the rise.


image: Opinion: Remediating Misconduct

Opinion: Remediating Misconduct

By James DuBois | May 14, 2013

Should institutions invest in changing the behavior of scientists found guilty of violating research rules and ethics?


image: Blood Protein Rejuvenates Aging Heart

Blood Protein Rejuvenates Aging Heart

By Dan Cossins | 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.


image: Discoverer of Lysosomes Dies

Discoverer of Lysosomes Dies

By Kate Yandell | May 8, 2013

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


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