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: 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.

TED: Vart tar allt det du skickar tillbaka vägen?

Do you ever order clothes online in different sizes and colors, just to try them on and then send back what doesn’t work? Aparna Mehta used to do this all time, until she one day asked herself: Where do all these returned clothes go? In an eye-opening talk, she reveals the unseen world of ”free” online returns — which, instead of ending up back on the shelf, are sent to landfills by the billions of pounds each year — and shares a plan to help put an end to this growing environmental catastrophe.

TED: Så påverkar dataspel din hjärna

How do fast-paced video games affect the brain? Step into the lab with cognitive researcher Daphne Bavelier to hear surprising news about how video games, even action-packed shooter games, can help us learn, focus and, fascinatingly, multitask.

TED: Den första hemligheten med design är att se saker

As human beings, we get used to ”the way things are” really fast. But for designers, the way things are is an opportunity … Could things be better? How? In this funny, breezy talk, the man behind the iPod and the Nest thermostat shares some of his tips for noticing — and driving — change.

TED: Våga tycka olika

Most people instinctively avoid conflict, but as Margaret Heffernan shows us, good disagreement is central to progress. She illustrates (sometimes counterintuitively) how the best partners aren’t echo chambers — and how great research teams, relationships and businesses allow people to deeply disagree.