[Broadcast] Damaged Amazon Adds To Global Warming; Prehistoric Magnetic Flip Shook Up Life On Earth; Birch, Beech And Other Unusual Syrups; and more
b"Damaged Amazon Adds to Global Warming / Belo Monte Dam Disrupts Amazon Floodplain Balance / Horse of a Different Color / Beyond the Headlines / Prehistoric Magnetic Flip Shook Up Life on Earth / Not Just Maple Syrup: Birch, Beech and Other Sappy Trees\\t\\t\\t\\n\\n\\nThe first broad study of all greenhouse gases in the Amazon rainforest reveals that the damaged ecosystem is now a net contributor to climate change, due mostly to warming and other human activities like logging, dam-building, and cattle ranching.\\n\\n\\n\\n\\nAlso, Earth's magnetic poles wander around and flip every now and then, and now scientists have evidence for how these flips impact life on Earth. Linking a magnetic pole reversal about 41,000 years ago to megafauna extinctions, climatic changes, and even a rise in ancient cave art.\\n\\n\\n\\n\\nAnd it's maple syrup season, but these aren't the only sappy trees that can be tapped to make syrup. A trip to a syrup producer in New Hampshire to taste syrups made from birch, beech, walnut, and other trees.\\nLearn more about your ad choices. Visit megaphone.fm/adchoices"