6+ hour, 28+ min ago  (895+ words) When an ant is injured, another worker quickly steps in to provide care. Surprisingly, the caregiver is not chosen because of experience or training, but because its daily routine makes it more likely to cross paths with the injured nestmate....

1+ hour, 23+ min ago  (763+ words) The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been mistaken for UFOs. Time and again, scientists have had…...

2+ hour, 48+ min ago  (985+ words) The human immune system relies on a protein that acts like an alarm, springing into action the moment a virus invades. Scientists expected to find the same strategy in one of our oldest animal relatives, the sea anemone. Instead, they…...

3+ hour, 42+ min ago  (987+ words) Put on a song at a family party and watch what happens. Toddlers bounce, grandparents sway, and before long almost everyone is moving to the beat. Moving to music feels automatic, like something we were simply born knowing how to…...

4+ hour, 24+ min ago  (1016+ words) Migratory birds cross the North Atlantic every year, linking cold, scattered islands that would otherwise sit alone in the sea. A red-throated diver might spend its summer on a lake in West Greenland and its winter along the coast of…...

6+ hour, 28+ min ago  (827+ words) Many people think addiction develops only after repeated drug use. A new study suggests the brain may begin changing much sooner. Researchers found that a single dose of cocaine triggered lasting changes in brain cells that persisted for weeks in…...

6+ hour, 29+ min ago  (1022+ words) Smelling chocolate between sets at the gym pushed men to complete far more repetitions than they managed with no scent at all, a new study has found. The men had not eaten for at least ten hours. Yet the boost…...

6+ hour, 27+ min ago  (684+ words) A small flowering plant may be pulling off something scientists long suspected but rarely managed to prove. New research offers some of the clearest evidence yet that this kind of secret resource-sharing happens in plants most people would never suspect…...

6+ hour, 35+ min ago  (934+ words) A brief, intense dose of sunburn harms a tadpole's DNA far more than a long, mild dose carrying the same total ultraviolet light, according to a new study. The concentrated burst piled up genetic damage almost three times as fast....

19+ hour, 55+ min ago  (854+ words) Most of us assume bees know how to find food. But can they actually enjoy it? A new study suggests they might. Researchers found that bumblebees respond to sweet, bitter, and salty tastes with distinct facial and mouth movements that…...