Dying White Blood Cells Alert Others To The Presence Of Pathogens

For the first time ever, molecular biologists have filmed the death of a human white blood cell. But the video shows something else, too. These integral components of our immune system do not go quietly into that good night. Rather, they go down alerting their neighbors to the presence of potential pathogens.
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Fetuses can donate their stem cells to help heal their mothers' hearts

Researchers have known for some time that women who experience weakened heart function in the months before and after childbirth (a condition known as peripartum cardiomyopathy) recover more quickly than any other group of heart failure patients. Now, a team of researchers from Mt. Sinai School of Medicine thinks it… »11/22/11 2:20pm11/22/11 2:20pm

The Shark Immunity Factor that Could Save Your Life

Scientists have known for some time that dogfish sharks, like the one pictured up top, naturally produce a broad-spectrum antibiotic called squalamine in their livers. Now, new research into the cellular function of squalamine reveals how it also confers a broad-spectrum antiviral benefit for the shark — one we humans… »9/20/11 12:58pm9/20/11 12:58pm