Science News Archive - November 03, 2009
Scientists now believe that the two infamous man-eating lions of Tsavo, which allegedly claimed 135 victims during railroad construction in Kenya in 1898, may have only killed around 35 people.
The majestic snow-capped summits of Africaâ€™s Mount Kilimanjaro are melting quickly â€” so quickly, in fact, that the ancient mountainâ€™s ice sheet could completely disappear within 20 years.
The control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled in Pennsylvania apple orchards with two tiny insects known to be natural predators.
In 'Pixie' mandarin, fruit reduces number of flowers of return bloom by inhibiting budbreak.
The European mink, Mustela lutreola, is a species catalogued as in danger of extinction, due to the large decline in their population over the past century.
In all the world, there are about 200 types of zeolite, a compound of silicon, aluminum and oxygen that gives civilization such things as laundry detergent, kitty litter and gasoline. But thanks to computations by Rice University professor Michael Deem and his colleagues, it appears there are -- or could be -- more types of zeolites than once thought.
In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled apart, but the claim was controversial.
Most land-use changes occurring in the continental United States reduce vegetative cover and raise regional surface temperatures, says a new study by scientists at the University of Maryland, Purdue University, and the University of Colorado in Boulder.
About half of 36 fish stocks in the Northwest Atlantic Ocean, many of them commercially valuable species, have been shifting northward over the last four decades, with some stocks nearly disappearing from US waters as they move farther offshore.
Deep-sea ecosystems occupying 60% of the Earth's surface could be vulnerable to the effects of global warming warn scientists writing in the Proceedings of the National Academy of Sciences.
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.
- A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.