TED: Nördarnas guide för att lära sig allt på nätet

TED: Varför stanna i Tjernobyl – därför att det är hemma

Chernobyl was the site of the world’s worst nuclear accident and, for the past 27 years, the area around the plant has been known as the Exclusion Zone. And yet, a community of about 200 people live there — almost all of them elderly women. These proud grandmas defied orders to relocate because their connection to their homeland and to their community are ”forces that rival even radiation.”

TED: Nördarnas guide för att lära sig allt på nätet

TED: Bakom lögnerna och förnekelsen av Förintelsen

”There are facts, there are opinions, and there are lies,” says historian Deborah Lipstadt, telling the remarkable story of her research into Holocaust deniers — and their deliberate distortion of history. Lipstadt encourages us all to go on the offensive against those who assault the truth and facts. ”Truth is not relative,” she says.

TED: Nördarnas guide för att lära sig allt på nätet

TED: Hur pålitligt är ditt minne?

Psychologist Elizabeth Loftus studies memories. More precisely, she studies false memories, when people either remember things that didn’t happen or remember them differently from the way they really were. It’s more common than you might think, and Loftus shares some startling stories and statistics — and raises some important ethical questions.

TED: Nördarnas guide för att lära sig allt på nätet

TED: Hemligheten bakom vetenskapliga framgångar är misstag

Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever taken. But did the evidence actually support that? Follow along as Plait shows how science progresses — through a robust amount of making and correcting errors. ”The price of doing science is admitting when you’re wrong, but the payoff is the best there is: knowledge and understanding,” he says.