Word: extinct
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Sharks were the first creatures in evolutionary history to develop an immune system. Biomedical researchers believe that if we can figure out how theirs works we'll gain valuable insights into our own. A shark could someday save your life--if it isn't already extinct...
...part of the song that Walt Whitman used to "hear America singing...those of mechanics...blithe and strong." The steam trains came around the bend behind the houses and doubled their strokes up the slope, and the sound shook the windowpanes. But in a blink they were extinct. Our creamery went silent. So did the big diesel electric generators that pumped through the cold winter nights. Maybe it all is good. But the memories are so intimate and gratifying, of things done well and done by people we knew and never done in excess...
...this title for two years until this past January, after which I became what is known at The Crimson as a "dinosaur," meaning that I'm extinct...
...wise and generous storyteller, Garcia unfolds her tale by cutting back and forth between the eponymous sisters and the life of their father, a distinguished scientist pledged to catalog "every one of Cuba's nearly extinct birds." Reina and her daughter plot to escape their imprisoning paradise, while Constancia's husband Heberto, aging and mild-mannered, joins a brigade that dreams of recapturing it. Born in Havana and raised in the U.S., Garcia does soaring, zesty justice to the vagaries of both malfunctioning Cuba and daydreaming South Florida...
...study, based on a new analysis of fossil sites, has created a tempest in the paleontological community. Now researchers not only must explain how a single prehuman population could remain frozen in evolutionary amber for so long after its species went extinct elsewhere in the world, but also must revisit two of science's most hotly debated questions: Where on the habitable continents did modern humans first emerge, and how did they come to dominate the world? "These dates will stir up a lot of controversy," says geochronologist Carl Swisher of the Berkeley Geochronology Center in Berkeley, California, who headed...