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Sleep deprivation – What most parents, teachers, and school administrators think of as just part of being a teenager, Rand Corporation sleep scientist Wendy Troxel labels a public health epidemic.  Wendy believes sleep loss in teens isn’t a function of being social or participating in social media. Instead, she argues, it is mostly due to ... Read more
About 66 million years ago, a terrible extinction event wiped out the dinosaurs. But it wasn’t the only event of this kind — extinctions of various severity have occurred throughout the Earth’s history — and are still happening all around us today. Borths, D’Emic, and Pritchard give a quick history of mass extinctions, featuring animation ... Read more
A global food crisis may be less than a decade away. Sara Menker quit a career in commodities trading to figure out how the global value chain of agriculture works. Her work has led to some startling predictions. She estimates that the world will reach an agricultural tipping point of surging demand surpassing the system’s ... Read more
Sir Ken Robinson outlines 3 principles crucial for the human mind to flourish — and how current education culture works against them.  In a funny, stirring TED talk he tells us how to get out of the educational “death valley” we now face, and how to nurture our youngest generations with a climate of possibility. ... Read more