Desertification is happening to about two-thirds of the world's grasslands, accelerating climate change. Allan Savory believes -- and his work so far shows -- that a surprising factor can protect grasslands and even reclaim degraded land that was once desert.
The world's population will grow to 9 billion over the next 50 years -- and only by raising the living standards of the poorest can we check population growth. This is the paradoxical answer that Hans Rosling unveils at TED@Cannes using colorful new data display technology.
Are you interested in astronomy? In this awe-inspiring talk, Carolyn Porco shows images from the Cassini voyage to Saturn, focusing on its largest moon, Titan, and on frozen Enceladus, which seems to shoot jets of ice!
New research suggests that stress may only be bad for you if you believe that to be the case. In this talk, Kelly McGonigal urges us to see stress as a positive, and introduces us to an unsung mechanism for stress reduction: reaching out to others.
Your smartphone may feel like a friend -- but a true friend would give you a smile once in a while. Meet Romo: The smartphone-powered mini robot who can motor along with you on a walk, slide you a cup of coffee across the table, and react to you with programmable expressions!
Elizabeth Loftus studies memories. More precisely, she studies false memories, when people either remember things that didn't happen or remember them differently. Here she shares some startling statistics, and raises some important ethical questions we should all remember to consider.