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 ...

See a growth curve for T. rex from birth to 28 years old, the longest any T. rex has been known to live. (Flash plug-in required.) (Grades 3-5, 6-8, 9-12) ...

Survey students' opinions about whether we are alone in the universe. Is there life elsewhere in the universe? Is there intelligent life? Have students discuss these questions with a partner or in ...

Learn in this 2001 interview with Dr. Folkman about his early insights, the long road to acceptance of his theory, and his hopes for angiogenesis therapies. (Grades 9-12) ...

Record information about sleep habits. Starting the week before you view the program, have students record four kinds of their own sleep-related data—hours of sleep, general mood, physical energy, and ...

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(This program is no longer available for online streaming.) In this episode of NOVA scienceNOW, come face to face with social robots that understand human feelings, carry on conversations, even make ...

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 ...