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Africa may have been the cradle of the human evolution, but it scarcely shared its human populations with the chilly Europe. The first species of Homo entering Europe appears to have come rather from Asia, than Africa. An international research team has found that Asians played a more important role in the settlement... |
7 August 2007
02:59 GMT |
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Shark jaws are one the most terrible things invented by nature. But even if a Great White can be 7.2 m (24 ft) long and 3.2 tons heavy, fossils of sardine-sized fish could explain how these terrible teeth attached to their jawbones evolved. "The fish, which lived 420 million years ago, are a "very modest" beginning f... |
2 August 2007
05:23 GMT |
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There are more Tysons on the streets that you would have initially thought. Due to them, men are 12 times more prone than women to experience severe human bite injuries requiring surgery. Bite injuries are most likely to be inflicted during fights at weekends or public holidays and in the majority of the cases, alcoh... |
19 June 2007
15:36 GMT |
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"Many people don't bother to brush or floss their teeth properly!". I'm guessing that's what you hear in Colgate "close-up" ads. Not very convincing, eh? Well, maybe this will change the shape of things... and teeth (hopefully). The Ultreo is another milestone in the evolution of the modern toothbrush.... |
9 May 2007
04:58 GMT |
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Chewing produces a mix of bacteria, acidity and abrasion in your mouth that gives no chance to your teeth. If genetics cannot help, dentists even less. And the filling employed by dentists cannot be as hardy as the natural teeth. Moreover, secondary decay may grow where the filling attaches to the tooth. 70 % of all ... |
30 April 2007
17:06 GMT |
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The South African inventor Sonnet Ehlers has just finished designing a female condom-like anti-rape device. After months of careful trials, the product is almost ready to be commercially launched.The device, called Rapex, has triggered controversy worldwide, but Ehlers is developing the final pre-production phase aft... |
20 March 2007
12:35 GMT |
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