Chanda Prescod-Weinstein connects history to ...

To get a free copy of the Infectious Generosity book, visit ted.com/generosityWhat if the world’s biggest problems could be solved with just some simple math? Natalie Cargill, the founder of strategic giving consultancy Longview Philanthropy, works on finding funding for the most ...  Show more

To get a free copy of the Infectious Generosity book, visit ted.com/generosity How much happiness could be gained if more people had access to wealth? Does the relationship between spending money and happiness change when people are in different economic classes? And if chosen ra ...  Show more

The way Chanda Prescod-Weinstein, a theoretical physicist, sees it, Harriet Tubman is the Great American Astronomer. Using the North Star, with no formal training, Harriet Tubman led hundreds of enslaved people to freedom. Chanda is a night sky expert, too. She’s studying the int ...  Show more

Chanda Prescod-Weinstein is a theoretical physicist at the University of New Hampshire. It's her job to ask deep questions about how we — and the rest of the universe — got to this moment. Her new book, The Disordered Cosmos: A Journey into Dark Matter, Spacetime, and Dreams Defe ...  Show more

Scientists have been searching for dark matter for decades, and think there’s six times more of it in the universe than the stuff we can actually see, like stars and planets. But they still don’t know what it is. So how can we be sure dark matter really exists? And why does it ...

The universe that we know, with its luminous stars and orbiting planets, is largely made up of elements we can’t actually see -- like dark energy and dark matter -- and therefore don’t fully understand. Theoretical physicist Chanda Prescod-Weinstein takes us inside the search for ...  Show more