News tagged with tropical countries

Climate cycles are driving wars, says study

In the first study of its kind, researchers have linked a natural global climate cycle to periodic increases in warfare. The arrival of El Niño, which every three to seven years boosts temperatures and ...

Aug 24, 2011
3.4 / 5 (9) 7 | with audio podcast

Dengue vaccine could be ready by 2015: Sanofi

French drugs group Sanofi said Friday that its vaccine against dengue, a mosquito-borne infection that kills thousands of people around the world each year, could be launched in about four years.

Jun 10, 2011
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World's reef fishes tussling with human overpopulation

In an unprecedented collaborative analysis published in the journal PLoS Biology, scientists from 49 nations demonstrated that the ability of reef fish systems to produce goods and services to humanity increases rapidly with t ...

Apr 05, 2011
5 / 5 (1) 0 | with audio podcast