A wearable ultrasound patch regulates heartbeats from outside the chest, eliminating invasive surgery.

He mapped the herpes simplex virus genome, revealing how it invades cells. His work also helped lay the groundwork for potential vaccines and gene therapies.

Light pollution prompts plants to shed pollen longer and stronger, according to new research.

© Amir Hamja for The New York Times

Light pollution prompts plants to shed pollen longer and stronger, according to new research.