A video taken by a student who hid behind a bush during the attack captured someone’s body lying still in the grass as others frantically scrambled to dodge bullets, their screams filling the ...

Potential treatments need to be subject to the highest standards of safety and efficacy. Transplanting dopamine-releasing neurons into the brain is a promising regenerative therapy for Parkinson ...

On the day of Coontz’s procedure, Gary Steinberg, the chair of neurosurgery, drilled a nickel-size burr hole into Coontz’s skull and injected stem cells around the affected part of her brain.

Floral window cling that's easy to install (you just need a credit card and some patience), provides some privacy, and fills ...

Browse 266,800+ grass sky view stock videos and clips available to use in your projects, or start a new search to explore more stock footage and b-roll video clips. Long grass in a meadow, set against ...

Photo shows An elderly white man in a white gown and skull cap smiles as he waves in the direction of the camera.

Artificial intelligence and phylogenetics helped scientists revise the evolutionary timeline of bacteria.