Australian scientists, inspired by NASA space experiments, have pioneered a new method of growing crops, known as "speed breeding," which has the potential to help feed the world's growing population. Faith Lapidus reports.
Retired Marine Corps Sgt. John Peck lost all four of his limbs in an explosion in Afghanistan in 2010, but unlike many people who suffer such losses, Peck does not have to rely on prosthetic arms. Doctors performed a successful double arm transplant and now he is undergoing occupational and physical therapy at Walter Reed National Military Medical Center in Bethesda, Maryland.
Under the bright sun of a remote desert in Oman, a group of astronauts and scientists is simulating Life on Mars. They hope their experiments today will pave the way for an actual trip to Mars, the red planet, within decades. Faiza Elmasry has this story narrated by Faith Lapidus.
While people who exclusively smoke cigarettes have twice the risk of premature death from all causes compared with people who avoid tobacco altogether, exclusive cigar smokers have a 20 percent higher risk of early death, researchers report
A group of scientists aboard a research vessel at the “bottom of the world” are examining the effects of climate change in Antarctica. The nonprofit, environmental watchdog group Greenpeace sent the team to gather data to help build international support for declaring a part of the continent a sanctuary from industrial fishing. Arash Arabasadi reports.