Xherdan the sphynx cat knows that looks can be deceiving. The Guardian called the 6-year-old kitty “the world’s scariest cat,” but his owner assures that the furless feline is “very lovely ...

He imagined a box containing a radioactive atom, a vial of poison and a cat. Governed by quantum rules, the radioactive atom can either decay or not at any given moment. There’s no telling when ...