First genetic causes of Raynaud's phenomenon discovered

Two to five percent of all people are affected by Raynaud's phenomenon: In cold or stressful conditions, the small blood vessels that supply the skin constrict and the fingers or toes turn white. First described by Maurice ...

Turning white blood cells into medicinal microrobots with light

Medicinal microrobots could help physicians better treat and prevent diseases. But most of these devices are made with synthetic materials that trigger immune responses in vivo. Now, for the first time, researchers reporting ...

Male seahorses develop placentas to support their growing babies

Supplying oxygen to their growing offspring and removing carbon dioxide is a major challenge for every pregnant animal. Humans deal with this problem by developing a placenta, but in seahorses—where the male, not the female, ...

Human hazards hamper vampire bat venom research

Vampire bats could hold the key to new treatments for a range of serious medical problems, but researchers have hit a snag accessing the specimens needed to advance their work.

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