Soviet Union nuclear arsenal 1986 40,000 warheads

During the total solar eclipse of 1919, astronomers photographed stars appearing close to the Sun. Their apparent positions shifted because the Sun's gravity bent the light reaching Earth, as Einstein's general relativity predicted. The measurements had limitations, but their announcement became a worldwide sensation and helped establish Einstein's public reputation.

Some dark fungi found in and around the Chernobyl nuclear plant appear able to use radiation in ways that may help them grow. Instead of radiation being only harmful, these fungi may be able to turn some of its energy to their advantage.