Studying social behavior is crucial for understanding how certain neuromodulatory pathways—like the serotonin pathway, which influences mood and social interactions—are regulated. Kavita Babu, ...

Harvard engineers think they've found the reason basketball shoes squeak, and it's due to pockets of friction between the rubber and the court.

Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there are still huge hurdles to overcome.