Washington state is home to more glaciers than any other state in the lower 48, and they're receding faster than ever before. That's a problem for the Pacific Northwest, where glaciers are crucial for drinking water, hydropower generation and salmon survival.
One reason I'm not worried about the possibility that we will soon make machines that are smarter than us, is that we haven't managed to make machines until now that are smart at all. Artificial intelligence isn't synthetic intelligence: It's pseudo-intelligence.
Part 1 of the TED Radio Hour episodeQuiet. Listen to second part of this story here.
About John Francis's TED Talk
For almost three decades, John Francis has been a planetwalker, traveling the globe by foot and sail with a silent message of environmental respect and responsibility. For 17 of those years he didn't speak a word.
A brain area that recognizes faces remains functional even in people who have been blind since birth, researchers say. The finding, presented at the Society for Neuroscience meeting this week, suggests that facial recognition is so important that evolution has hardwired it into the human brain.
What would you do with thousands of tons of leftover nutshells? It's a question that Turkey — the world's third-biggest producer of pistachios, behind Iran and the United States — has been asking itself for years.
Usually discarded pistachio shells end up in landfills, but nut-loving Turks think they've found a far better solution by turning it into biogas, an alternative fuel produced by the breakdown of organic matter.
If you're reading this after a night of inadequate sleep, or disrupted sleep, you have company. The National Sleep Foundation reports that over half the people in their survey experienced at least one symptom of insomnia "at least a few nights per week" over a year's period.