Read the full article online at http://www.bbc.com “Tiny particles of pollution have been discovered inside samples of brain tissue, according to new research. Suspected of toxicity, the particles of iron oxide could conceivably contribute to diseases like Alzheimer’s – though evidence for this is lacking. The finding – described as “dreadfully shocking” by the researchers – raises […]
We have a pretty good idea of what climate change will do to the landscape: melt it, flood it, tear it up in freak superstorms, turn it into desert. But what will climate change do to us—to our bodies and minds?
Hidden Brain host Shankar Vedantam takes you on vacation with him to Alaska. You’ll hike on top of a glacier, drink from a cool stream, and talk with fellow tourists from around the world. But the trip comes with an upsetting observation: Glaciers in Alaska are retreating. The Mendenhall glacier, visited by tens of thousands of tourists each year, has receded more than a mile and a half in the last half century.