Word: speciesism
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Dates: during 2000-2009
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Fossils of a four-winged species of dinosaur discovered in northeastern China have provided surprising new evidence on the evolution of birds, a group of Chinese paleontologists reported in the journal Nature this month. The dinosaur, given the name Microraptor gui, appears to have used its feathers to glide from...
It's not easy to like hammerhead sharks. Ugly to the point of freakishness, stupid beyond mere brutishness, the species is one of nature's least agreeable creations. Nonetheless it was bad news last week when the journal Science published a paper revealing that the unloved hammerhead, as well as...
Using the number of sharks caught on longlines as an index of the number surviving in the wild, the Dalhousie team came up with some alarming figures. From 1986 to 2000, nearly all shark species may have declined at least 50%, with the populations of some approaching collapse. Tiger-shark...
The Dalhousie team believes that there is still time to save the sharks before the most imperiled species are entirely wiped out, but conservationists must act fast. The best protection method is to establish marine reserves--areas of ocean where fishing is off limits for a while so the vanishing...
The worm species, Caenorhabditis elegans, or C. elegans, measures 1/25th of an inch long with a smooth cylinder-shaped body tapered at both ends and lives a few weeks at most.