How gut sense informs your brain
Unlike your tongue, sensors in your intestine can measure the calorie content in sweeteners
Ostrich beads mark the ebb and flow of migration
A self-funded researcher’s work on ostrich beads shows how a flooded river basin cut ties between African communities for 40,000 years
Ant first responders rescue their own
Less than a week after first getting out of their cocoons, ants show protective behavior
First “four-legged snake fossil” was a false alarm
Researchers suggest that an old study that claimed it had found an ancestral snake fossil had no legs after all
Altruism in birds: When magpies work together
Wily birds outwit scientists by helping each other remove tracking devices