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.
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.
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.