Word: betweeners
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Dates: during 1990-1999
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Scientists are also focusing on the differences between two types of fat cells, known as brown and white. The former, active in young mammals (including humans), convert fat into heat rather than storing it. That's crucial in newborns, whose temperature-regulation systems aren't fully formed. As we age...
What's missing from the debate is an understanding of the changing relationship between humanity and nature. For it is how humans fit into the natural world that will settle whether Malthus was right or wrong. He was wrong in 1798. But if he had been writing 10,000 years...
At the lower end of this predicted warming range, the temperature rise would take us back to the conditions that existed between A.D. 950 and 1350, when the climate was 1[degree]C (2[degrees]F) warmer than it is now. This time period is regarded as one of the...
Today the average Atlantic swordfish caught weighs 90 lbs., and the figure drops by a pound or two every year. Because swordfish don't breed until the female is five years old and weighs 150 lbs., we're killing and eating the teenagers before they can reproduce. And though the...
In a short time, as more and more parents brought home happy, healthy babies, the debate faded away. Meanwhile, the scientists at St. Gen had their eyes on the future. A mere thousand genetic changes had been identified that were mostly responsible for the difference between the intelligence of chimpanzees...