Mild cognitive impairment, a common brain condition, can be an early sign of Alzheimer's disease. But most people don't know the symptoms. And some may mistake it for normal aging.
The largest predator in history was bigger than a T. Rex and longer than a school bus. And it swam. Paleontologist Nizar Ibrahim shares his quest to uncover the Spinosaurus.
"We see a really clear association between how these maps were drawn in the '30s and the air pollution disparities today," says an author of a study on the effects of the discriminatory policy.
They have offered comfort at nursing homes, schools — even disaster sites. Now, a study shows that a 10-minute visit from therapy dogs can help relieve emergency room patients' pain.
A new artificial intelligence program has beaten the world's best players in the popular PlayStation racing game Gran Turismo Sport. But the impact could be felt far beyond that.
Arts therapies appear to ease brain disorders from Parkinson's to PTSD. Now, artists and scientists have launched an effort to understand how these treatments change the brain.
Researchers at the University of Washington have developed a way of using DNA from elephant tusks to solve poaching mysteries and bring animal traffickers to justice.
In tree ring records dating back to AD 800, the only multidecade drought that came close to today's was in the 1500s. Researchers say climate change is a factor and the U.S. must plan for less water.
Tiny, robotic fish powered by human heart cells suggest that scientists are getting closer to their goal of building replacement hearts from living tissue.
The symptoms of Parkinson's disease can vanish briefly in the face of stress or a strong emotion. Now scientists are searching for a treatment based on this phenomenon, a form of the placebo effect.
Early humans seemed to strike the perfect balance in situating their hearths in the cave, preserving ample sitting and cooking space while avoiding the worst effects of smoke.
