In several posts in my series on George Will’s misleading claims about global warming in the Washington Post, I have referred to the “Arctic Climate Research Center” at the University of Illinois. It has been brought to my attention that no such center actually exists. Instead, there is a group of scientists at the University of Illinois who conduct research on climate in the Arctic (one of whom, Bill Chapman, I interviewed as part of my research). Continue reading “Correction”

For its first four weeks, a human embryo looks like a crumpled tube. But around its twenty-seventh day of development, four buds bulge from its sides. Over the next few days, the buds grow like tulips, stretching out into flattened stalks and blooming into crowns of fingers and toes. Inside these developing limbs, bones condense. Muscle cells, tendons, blood vessels and nerves all find their respective places. The embryo now has hands with thumbs to suck, legs ready to deliver a kick. Continue reading “How To Make A Hand”