Why do dogs’ noses usually feel cold and wet? After an especially good belly rub, a dog might bump its nose into its human as a way of saying thanks. Often, this snoot boop feels cold and wet. The owner might wonder: Is it normal for a dog’s nose toContinue Reading

A new study combines evolutionary genomics from coronavirus samples with computer-simulated epidemics and detailed travel records to reconstruct the spread of coronavirus across the world in unprecedented detail. Published in the journal Science, the results suggest an extended period of missed opportunity when intensive testing and contact tracing might haveContinue Reading