ScienceResearchers Build Super Accurate Atomic Clocks That Can Spot Spacetime Deformations Physicists have created a pair of atomic clocks that are so precise and accurate, they would only lose a second if they lasted the age of the universe. The clocks might also be able to detect dark matter.by Diane Samson
ScienceEarly Humans Interbreeding With Neanderthals More Common Than Previously Thoughtby Julia Manuel