Researchers studied brainstem activity of mice while the animals were awake and eating. Susanne Ludwig / 500px via Getty Images As animals eat, brain activity tells them when to stop. In a recent ...

Consuming amino acids that can be made in the body leads mice to eat less and explore their surroundings more — an effect that might offer evolutionary benefits 1. Amino acids, the building blocks of ...

At the largest winter monarch aggregation in central Mexico, scientists have observed that rodents attack monarchs that fall to the ground. Biologists have now discovered that the western harvest ...