Neuroscientist Greg Gage takes sophisticated equipment used to study the brain out of graduate-level labs and brings them to middle- and high-school classrooms (and, sometimes, to the TED stage.) Prepare to be amazed as he hooks up the Mimosa pudica, a plant whose leaves close when touched, and the Venus flytrap to an EKG to show us how plants use electrical signals to convey information, prompt movement and even count.

http://www.tedxeuston.com Sada Mire is a Somalian archaeologist. She lived the first fifteen years of her life in Mogadishu, until 1991, when she settled in ...

The number of people sleeping rough in London has doubled over the past 10 years and the UK is sleepwalking into a homelessness crisis, a charity has warned....

Most Hebrew Israelites preachers are using scriptures to state where the lost tribes are today. There has been a breakdown of the tribes by many preachers bu...

Nearly half of Americans say that money is one of the most challenging subjects to talk about, but Michael Thomas Jr. wants to change that. As a PhD student ...

Sheryl WuDunn's book "Half the Sky" investigates the oppression of women globally. Her stories shock. Only when women in developing countries have equal acce...

Watch more Disaster Survival & Worst-Case Scenarios videos: http://www.howcast.com/videos/317493-How-to-Survive-a-Nuclear-Terrorist-Attack You can increase y...

Tony Allen speaks at a 2015 TEDx event in Wilmington, Delaware. Tony Allen is the chairman of the Wilmington Education Improvement Commission, a Commission c...

View full lesson: http://ed.ted.com/lessons/how-photography-connects-us-david-griffin The photo director for National Geographic David Griffin knows the powe...