World First: Kidneys Grown With Human Cells in Pig Embryos

Half the World's Population Faced Extreme Heat for at Least 30 Days This Summer

Weird ways that animals experience the world differently to us

Scientists Cryopreserve and Revive Coral Fragments in a World First for Conservation. The new freezing technique could reinvigorate corals suffering from warming oceans—or even preserve human organs in the future.