At least six people were killed last night when an Amtrak train headed to New York City from Washington D.C. crashed on a curve in Philadelphia. There are at least eight people in critical condition. CBS News correspondent Jericka Duncan reports from Temple Hospital in Philadelphia, where some of the injured are being treated.
Searching for victims
Hundreds of Nepalese soldiers and four American military helicopters continued the hunt today for a U.S. Marine Corps helicopter that disappeared yesterday carrying six Marines and two Nepalese soldiers while delivering disaster aid in quake-ravaged Nepal. CBS News correspondent Seth Doane reports there are currently about 300 U.S. troops in Nepal, and they've been using the choppers to ferry relief supplies to hard-to-reach regions.
Barro Colorado Island, in the Panama Canal, reminds some people of "Jurassic Park," but the species that call it home are no clones. Thousands of birds, insects and amphibians are studied and preserved, and it's one of the world's most important tropical research facilities. CBS News correspondent Major Garrett reports on the scientific jewel of the Smithsonian Institution.
Old World Bollworms
Old world bollworms feast on 180 species of wild and cultivated plants such as corn, sunflowers, beans and tomatoes. Larvae bore into the host's flowers and fruit, and feed within them. Much to the chagrin of some officials, OWB is showing resistance to insecticides. The bugs are entrenched in South America and the Caribbean, and they are headed here. If they do arrive, they could eat billions in crops.
Sen. Marco Rubio of Florida on Wednesday will detail the foreign policy doctrine he would follow as president. The doctrine, which he will outline in remarks at the Council on Foreign Relations, is founded on three pillars: military strength, the defense of American commerce around the globe, and moral clarity.
When President Obama leaves office in 2017, he will be just 55 years old -- 11 years away from the official retirement age. The president has, in recent weeks, begun publicly musing about some of the ways he might spend his time once he's unemployed.
Supplement and stroke
An amphetamine-type stimulant found in dietary supplements marketed to promote weight loss and improve athletic performance could be to blame for a hemorrhagic stroke in a woman who took the supplement before working out. The case report is the first to suggest a connection between the synthetic compound called BMPEA and exercise-induced stroke.
Christmas Abbott is a muscular force in the fitness world, but the 34-year-old CrossFit competitor, Olympic weightlifter and fitness model hasn't always been the picture of perfect health. CBS News Correspondent Jim Axelrod reports on how she became battle tested, inside and out.