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Is the early arrival of Hurricane Dennis a sign of worse Atlantic storms to come? The genomes of the three parasites that cause leishmanaiasis, Chagas disease and sleeping sickness have been sequenced and scientists hope this will help them develop effective treatments. Reconstruction of Sri Lankan coastal communities after a 20-year political conflict and last year's tsunami. Trinity, the first atomic test was carried out 60 years ago but the fallout from early tests continues to inform research, such as the new science of neuroarchaeology – using carbon dating to date the exact age of cells