Scientists describe emergence, a science that studies how complex patterns and behaviors arise from the actions of individual units acting independently. This NOVA scienceNOW segment: states that ...

Scientists describe how forces in the atomic nucleus work to keep the atom stable. They then explain how researchers make new elements and discuss why large, man-made elements—those beyond atomic ...

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 airs Tuesdays on PBS at 8 p.m. Check your local listings as dates and times may vary.) http://www.pbs.org/nova/sciencenow The first episode of NOVA ...

This segment focuses on the late cancer researcher Dr. Judah Folkman and his pioneering work on the relationship between tumors and the blood vessels that nourish them. This NOVA scienceNOW segment: ...

An interdisciplinary collaboration between a paleontologist, an evolutionary anthropologist, and a primate anthropologist sheds new light on how and where primates got their evolutionary start. This ...

This video segment adapted from NOVA scienceNOW examines the threat of a virus being spread from birds to humans, and then from humans to humans. It details the mechanisms viruses use to infect cells, ...

Scientists discuss speech-processing studies that show similarities in brain activity when birds learn to make their calls and humans learn to talk. This NOVA scienceNOW segment: introduces a leading ...

This video segment adapted from NOVA scienceNOW examines the realm of personal DNA testing. It describes the latest tests, which look for single-nucleotide polymorphisms (SNPs). These single-letter ...

Astronomers report on the search for extraterrestrial intelligence (SETI). They also describe how this search has changed over the past 40 years and how it has recently accelerated thanks to new ...

Determine an organism's age by counting annual growth rings. Paleontologist Dr. Greg Erickson found that he could determine the age of T. rex by counting the growth rings in its rib bones. Many plants ...

Scientists describe the risky, high-stakes repairs on the Hubble Space Telescope scheduled for fall 2008. This NOVA scienceNOW segment: recounts how the Hubble Space Telescope has revolutionized ...