Dr. Pardis Sabeti is a professor of genetics and an infectious disease specialist at Harvard University. She developed an effective way to track the spread of genes in a population, providing insight ...

NOVA scienceNOW is a News magazine version of the long-running and venerable PBS science program Nova. Premiering on January 25, 2005, the series was originally hosted by Robert Krulwich, who ...

Scientists have gained new insights into the lifespan of Tyrannosaurus rex (T. rex) and how T. rex grew to be so large. reports that scientists typically find the age of dinosaurs and many other ...

"ABC News" correspondent Robert Krulwich had an idea and, like a dog with a juicy bone, he just wouldn't let go. The result is "Nova Science Now," a one-hour magazine-style series, which will air five ...