Brood XIV cicadas are expected to emerge from Georgia to Massachusetts, including Pennsylvania, according to Cicada Mania.

Greek philosopher Empedocles thought that different temperatures produced different sexes—while others were decidedly ...

Scientists have uncovered that iron oxides, previously thought to trap phosphorus, actually help convert it into a ...

Histamine makes lots of changes in your body. It adjusts your blood vessels and tissues so more immune cells can rush to the area. It makes a bunch of mucus. It tells the muscles in your airways, ...

Using two species of flies from different climates -- one from the cool, high-altitude forests of Northern California, the other hailing from the hot, dry deserts of the Southwest -- scientists ...