When spacecraft’s re-enter Earth’s atmosphere at ridiculously high speeds, friction causes an extreme amount of heat. Usually the spacecraft is coated in heat resistant coating or tough insulating materials. The new idea is to use a magnetic field around the spacecraft to shield it. This would be more reliable and decrease weight. Also it would [...]
Entries from November 30th, 2009
Biology of the Sharks
November 30th, 2009 · No Comments · Biology
Of everything interesting about sharks, their behavior is the most fascinating. Sharks experience sight, touch, taste, smell, sound and other senses completely different from humans. Most creatures of the sea are somewhat the same, but sharks are known to be relatively different in all their abilities, besides swimming and breathing. It has been found that sharks cannot smell from [...]
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Salmonella: Drug-Resistant Strain of Bacteria Gains in Africa, With High Death Rates
November 30th, 2009 · No Comments · Biology
The strain, a variant of salmonella, which is named St313. It was decoded by researchers from Welcome Trust Sanger Institute and researchers from Kenya and Malawi. Most salmonella bacteria cause diarrhea and barely cause death, but this one caused death in one of four cases among children and vulnerable adults in some African locations, the [...]
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Dramatic Decline in Siberian Tigers
November 30th, 2009 · 2 Comments · Biology
The Wildlife Conservation Society (WCS) has announced a report revealing that the last remaining population of Siberian tigers has likely declined significantly due to the rising tide of poaching and habitat loss. Click here to read more. It is important that we take care of the environment and the animals in it and not destroy [...]
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