Narrow Your Search
This video discusses how Patrick Antonecchia competed in powerlifting and strong man events for more than 25 years until his doctors told him to stop. He received a diagnosis of severe kidney damage after years of using steroids.
This video takes a tour of the heart using images generated by CTA. It is narrated by Dr. Harvey Hecht of The Lenox Hill Heart and Vascular Institute of New York.
Each person's gut carries a different collection of bacteria-infecting viruses that may benefit their hosts, researchers report. The viruses contain DNA fragments whose functions include cell repair and food processing.
Use this article and its accompanying material to explain ecosystems and human impact! It is available in English and Spanish.
In this video, schools have closed down from Queens to western Japan. New York Times science reporter Donald G. McNeil Jr. explains the facts behind the pandemic.
Log In: