Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the ...

This internal left-right asymmetry is believed to begin at the very early stage of development -- when a tiny embryo is divided into two parts during a process called gastrulation. This process ...

Neurons in the brains of mice tell them to stop eating when they’ve had enough food – and since people probably have the same ...

Columbia scientists have found specialized neurons in the brains of mice that order the animals to stop eating. Though many feeding circuits in the brain are known to play a role in monitoring food ...

I guess Brad Pitt got there earlier than I did," he said. "You had to see the look on his face. He looked like he was ready ...