 It's never too late to reinvent yourself. Take it from Paul Tasner -- after working for other people for 40 years, he founded his own startup at age 66, pairing his idea for a business with his experience and passion. And he's not alone. As he shares in this short, funny and inspirational talk, more and more seniors are indulging their entrepreneurial instincts -- and finding success. Watch »  The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds a Lake Tahoe-sized volume of water from the summer melt. Does this water stay there, or does it find its way out to the ocean? Join glaciologist Kristin Poinar for a trip to this frozen, forgotten land to find out. Watch » |  After decades of research and billions spent in clinical trials, we still have a problem with cancer drug delivery, says biomedical engineer Elizabeth Wayne. Chemotherapy kills cancer -- but it kills the rest of your body, too. Instead of using human design to fight cancer, why not use nature's? In this quick talk, Wayne explains how her lab is creating nanoparticle treatments that bind to immune cells, your body's first responders, to precisely target cancer cells without damaging healthy ones. Watch »  In the vast sweep of history, even an empire can be forgotten. In this wide-ranging talk, Gus Casely-Hayford shares origin stories of Africa that are too often unwritten, lost, unshared. Travel to Great Zimbabwe, the ancient city whose mysterious origins and advanced architecture continue to confound archeologists. Or to the age of Mansa Musa, the ruler of the Mali Empire whose vast wealth built the legendary libraries of Timbuktu. And consider which other history lessons we might unwittingly overlook. Watch » |  With her gorgeous, haunting photographs, artist Uldus Bakhtiozina documents dreams, working with daily life as she imagines it could be. She creates everything in her work by hand -- from costumes to stages -- without digital manipulation, bringing us images from the land of escapism, where anyone can become something else. Watch »  Margrethe Vestager wants to keep European markets competitive -- which is why, on behalf of the EU, she's fined Google $2.8 billion for breaching antitrust rules. In an important talk about the state of global business, she explains why markets need clear rules -- and how even the most innovative companies can become a problem when they become too dominant. Watch » | |
