Butterfly wings sport structures that let living tissues release more heat than the rest of the wing.
A goo shed by at least one species of upside-down jellyfish contains stinging cells. They can cause pain even to creatures that never touch the jelly.
Carrying extra weight could affect many routine blood tests in kids, new data show. Knowing this might help doctors better interpret lab results.
Sometimes the body’s immune system works too well, like a smoke alarm that blares every time you cook pizza. The results can range from uncomfortable to potentially life-threatening.
Anonymous accounts have been filed with the FDA reporting seizures in teens after vaping. These were linked most often to JUUL and related pods.
Waves of fluid wash into the human brain during sleep. That’s good. They just may help clean out toxic proteins.
Giant dinosaurs evolved several ways to cool their blood and avoid heatstroke.