El mortal virus del Ébola se está expandiendo rápidamente en Ãfrica occidental y la principal preocupación es que se propague desde su punto de origen hasta llegar posiblemente a otros paÃses, incluyendo paÃses del Medio Oriente.
Con la cifra de muertos acercándose rápidamente a...
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Arctic bugs can survive in frozen ground as cold as -27°C, scientists have revealed.
It is the first time higher-order invertebrates such as spiders, flies and beetles have been found coping in direct exposure to such cold temperatures. Previous lows were between just -5°C and a little below -10°C.
The research, published in the Journal of Thermal Biology, suggests they may be more resilient to climate change than first feared.
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When it comes to illegal wildlife trade, one thing has always puzzled me ... Why is the demand for ivory so high? While I may not come across the black-market demands or understand the cultural or historical needs for these rare animal teeth, one thing is easy to see - populations of the African elephant are declining.
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