In "What's Up with the Weather?" NOVA and FRONTLINE join forces to investigate the science and politics of one of the most controversial issues of the 21st century: the truth about global warming.

The broadcast explores America's manned space program and the crisis caused by Russia's delay in delivering the critical third piece of the International Space Station.

A gene from a jellyfish is placed in a potato plant, making it light up whenever it needs watering. Rice plants are genetically transformed to produce vitamin A, preventing millions of African children from going blind. Other plants are modified to produce plastic or pharmaceuticals. While many see these as wondrous advancements, others fear they could spawn serious new threats to human health, a loss of genetic viability in our most important crop species, and other signficant and perhaps unforeseen problems. In "Harvest of Fear," NOVA and FRONTLINE join forces to explore the growing controversy over genetically modified agriculture.

The film investigates the complicated world of gender identity.

The film follows three New York Times reporters as they delve into the murky past of bioweapons research and grapple with the current threat of anthrax and other attacks.

Can lessons learned from the Twin Towers' collapse make new buildings safer?

Doctors combat the deadliest for of meningitis which strikes young people out of the blue.

The air war in Afghanistan showed that sometimes the hottest pilots are sitting on the ground operating the remote controls of UAVs—or unmanned aerial vehicles. In newly declassified footage, "Spies That Fly" reveals the astounding capabilities of UAVs and the ambitious plans for future models.

"Dirty Bomb" probes the realities and implications for public health policy of a disaster that many consider to be all but inevitable: a terrorist attack on a major city using a radioactive "dirty bomb." The program strives to answer crucial questions about this menacing new weapon in the terrorists' arsenal, questions such as: What exactly is a dirty bomb? How dangerous could one be, and how much radiation could it release? What will need to be done to clean up after an explosion?

One of the most exhaustive investigations in aviation history reveals telling clues to the cause of a dissaster off Nova Scotia.

While other reporters were embedded in fighting units during the Iraq War, NOVA was covering the emergency medical response, living night and day with the doctors, nurses, and medics in a frontline Combat Support Hospital (CSH). The program captures a period of the conflict in April and May of 2003 when CSH units faced a deluge of injured Iraqi soldiers and civilians who had little support from their country's collapsed health-care system.

Can the US military's high tech weaponry prevail against insurgants.