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Much of our ancestral histories can be found in our bones. Archaeologist Carolyn Freiwald traces the story of human migration through the hidden clues in our bones and our teeth.

We compost plants and livestock, so why not humans? Katrina Spade says that if you want to help the planet one last time, consider composting your body.

The largest predator in history was bigger than a T. Rex and longer than a school bus. And it swam. Paleontologist Nizar Ibrahim shares his quest to uncover the Spinosaurus.

The New Oxford American Dictionary's 2009 Word of the Year can trace its origins back to the 17th century. The word: "unfriend." Christine Lindberg, senior lexicographer at Oxford University Press, says the Oxford English Dictionary provides a citation for "unfriend" from 1659.

Many in New Orleans believe their Saints lost a trip to the Super Bowl because a referee missed a pass interference penalty Sunday. The Saints lost that game to the Los Angeles Rams.

Poachers can make a lot of money killing whales. But what if a living whale fetched a bigger price? Ralph Chami uses the language of dollars and cents to conserve nature and fight climate change.

Lyft will "significantly reduce" its staff to cut costs, said CEO David Risher, who took over as the ride-hailing company's leader just this week.

In 2002, freediver Tanya Streeter completed a record-breaking dive of 525 feet—in one breath. She reflects on the obstacles she faced, and the experience of pushing her body and lungs to the limit.

Professor Saad Bhamla believes all science puzzles are important, even silly ones. His research into the glass-winged sharpshooter's "butt flicker" led to a discovery about the physics of insect pee.

For 185 years, science has assumed there was only one species of king cobra. Herpetologist Gowri Shankar shares his near-death experience that led to a groundbreaking discovery for the snake world.