Nova scienceNow on PBS

The fourth season of NOVA scienceNOW is packed with provocative new stories from the frontlines of science, technology and medicine.

Join Neil deGrasse Tyson on a trip to the Mojave Desert with meteorite hunter Rob Matson.

George Church hopes to recruit 100,000 people and sequence all of their DNA.

The fourth season of NOVA scienceNOW is packed with provocative new stories from the frontlines of science, technology and medicine.

New insight into a 2,300-year-old mystery surrounding prime numbers inspires a song.

Genetic testing for risk of future illness is now open to anyone. But is it a good idea?

Amid Hurricane Katrina a cancer researcher risks everything to save a medical treasure.

How does the 'intelligence' of a group arise out of the simple actions of its members?

A magician's sleight of hand may not fool people with autism.

Featuring four stories in each themed episode, the new season again tackles an array of thought-provoking topics.

Featuring four stories in each themed episode, the new season again tackles an array of thought-provoking topics.

A discovery in our solar system raises questions about what makes a planet a planet.

Berries may alleviate cellular damage caused by cosmic radiation.

A boy from rural Belize becomes a world-class mathematician and cosmologist.

Halas is a pioneering nanotechnologist bent on seeing practical applications for her work.