Ride-sharing platforms have been making headlines in recent years. With the help of mobile technology, our next lift is just a tap away on our mobile phones. Ride-sharing has transformed the way we move around, broken down trust barriers and redefined notions of ownership.

Learn all about the major milestones in vaccines and antibiotics. Beginning with Edward Jenner and the immunization method against smallpox, this program covers the advances in vaccinations and immunotherapy. Learn about Waldemar Haffkine, who developed a treatment for cholera, and Almroth Wright, who developed a vaccine for typhus. Other treatments are discussed for many major diseases, including diphtheria, tuberculosis, whooping cough, yellow fever,...

Host Emily Calandrelli speaks to experts who are learning everything they can about asteroids and their potential impact on earth. From the dinosaur killer to the Chelyabinsk meteor of 2013 - we learn about the destructive power of asteroids. Emily takes a trip to the Ames Vertical Gun Range for an experiment that predicts impact size on the moon and the Earth. Emily also travels to Seattle Washington to meet a company that has a plan to profit from...

In this program, Hazel Henderson and Wayne Silby, lawyer and founder of the Calvert Group of socially responsible mutual funds discuss where these investing trends Silby pioneered, are heading. They discuss how these trends evolved , as both were colleagues at Calvert from its launch in 1982 , when Henderson served on Calvert’s Advisory Council with other experts , helping develop Calvert’s social screens . These screens helped steer portfolios...

Investigating the powerful spyware Pegasus, sold to governments around the world by the Israeli company NSO Group. The conclusion of a two-part series with Forbidden Stories into the hacking tool used to spy on journalists, activists, the fiancée of Saudi journalist Jamal Khashoggi and others.

Facing a potential nuclear renaissance, this moving account explores the legacy of nuclear arms through the lives of four young women. First we meet Maki, granddaughter of a Hiroshima bombing survivor who strives to keep the memory of the horror alive. Evelyn is a young student; she is exiled from her home, the contaminated island of Rongelap. Maurea and Annie are young and impassioned activists; one lives in a country torn apart by nuclear colonization...

"From the Pythagorean theorem to DNA's double helix, from the discovery of microscopic life-forms to the theory of relativity--the big ideas of science and technology shape an era's worldview. Open this book, grasp the newest ideas from thought leaders of today, then spring off from them to move back through the past, one big idea at a time. Meet the people who gave birth to these ideas--and those who fought against them. Meet the MIT electrical engineer...

India has benefited from supplying other countries with outsourcing services ranging from computer help to legal document analysis, while in other parts of the country poor farmers are struggling to make a living. NewsHour special correspondent Simon Marks reports on the two Indias.

In 2003, a blackout crippled areas of the U.S. and Canada, leaving some 50 million people in the dark. Ten years later, we are still grappling with concerns over the vulnerability of our power grid.

In this episode, Professor Robert Winston and Professor Tanya Byron discover how our teenagers' changing brains mean that what they choose to do at 16 can shape their lives forever. With surprising new research in human biology and neuroscience, we reveal how the most baffling aspects of teenage life can be explained and illuminated by the latest understanding of the changing teenage brain. The brains of our 16-year-olds are wired to feel more self-conscious,...