Word: bacterias
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CATTLE CALL Scientists have been speculating for years that plying the nation's livestock with antibiotics may be creating superresistant bacteria in humans. Here's new evidence: after contact with cattle on his family's farm, a 12-year-old Nebraska boy became infected with the same antibiotic-resistant strain of salmonella that had sickened the cows. Using a "molecular fingerprint," researchers confirmed that the cow bug and human bug were indeed one and the same...
SUPER DRUG The FDA has okayed Zyvox, the first entirely new type of antibiotic in 35 years. With microbes becoming ever more resistant to antibiotics--including the drug of last resort, vancomycin--the FDA's nod comes just in time: Zyvox is approved for staph bacteria, pneumonia and other serious infections. Now if only docs won't overprescribe it, lest the bugs develop resistance to it as well...
...species from a corner of Peru's Manu National Park, both more than 10 times the number from comparable sites in Europe and North America. At the other extreme, the McMurdo Dry Valleys of Antarctica, with the poorest and coldest soils in the world, still harbor sparse communities of bacteria, fungi and microscopic invertebrate animals...
...remarkable species, the "extremophiles," have achieved astonishing feats of physiological adaptation at the ends of habitable Earth. In the most frigid polar waters, fish and other animals flourish, their blood kept fluid by biochemical antifreezes. Populations of bacteria live in the spumes of volcanic thermal vents on the ocean floor, multiplying in water above the boiling point. And far beneath Earth's surface, to a depth of 2 miles (3.2 km) or more, dwell the SLIMES (subsurface lithoautotrophic microbial ecosystems), unique assemblages of bacteria and fungi that occupy pores in the interlocking mineral grains of igneous rock and derive their...
Least known are the smallest organisms. By repeated sampling, biologists estimate that as few as 10% of the different kinds of insects, nematode worms and fungi have been discovered. For bacteria and other microorganisms, the number could be well below 1%. Even the largest and most intensively studied organisms are incompletely cataloged. Four species of mammals, for example, have recently been discovered in the remote Annamite Mountains along the Vietnam-Laos border. One of them, the saola or spindlehorn, is a large cowlike animal distinct enough to be classified in a genus of its own. Earth, as far as life...