Newly identified bacteria-killing protein needs vitamin A to work

People who have inadequate vitamin A in their diets are more susceptible to skin infection, yet how that vitamin affects skin immunity has been unclear. In a study published today, UT Southwestern researchers shed some light ...

New textile could keep you cool in the heat, warm in the cold

Imagine a single garment that could adapt to changing weather conditions, keeping its wearer cool in the heat of midday but warm when an evening storm blows in. In addition to wearing it outdoors, such clothing could also ...

Why are there redheads? Birds might hold the clues

Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological ...

2 gray whales stuck in N. Calif. river for month

(AP) -- Biologists say they're concerned about the health of a gray whale that's stranded in the Klamath River in Northern California after swimming up with her calf a month ago.

Cosmetic makers bottle bacteria for beautiful skin

Cosmetic companies have started developing and selling products designed to harness the skin microbiome to help treat a range of skin conditions from acne to eczema. Skeptics, however, warn that touting such an approach is ...

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