You are looking at all articles byHelen Mendes

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Global science committee to fight poverty mooted in Brazil

Brazil's science minister has used a world science academy meeting to outline proposals for a global science …

26/02/13

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GM trials slash dengue mosquito numbers

The results of two GM mosquito trials, in Brazil and the Cayman Islands, show up to a 90 per cent drop in dengue …

25/09/12

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Landslide deaths 'four times higher than thought'

A new system for tracking landslide deaths has revealed that fatality numbers are significantly higher than …

29/08/12

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Research metrics penalise part-time women researchers

Scientists have used an analogy between ecosystems and academia to reveal the institutional barriers that drive …

23/07/12

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Brazil tests GM mosquitoes to fight dengue

Early results from the release of millions of genetically modified mosquitoes in Brazil are 'positive', say dengue …

10/04/12

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Study notes strategies to lower HIV risk for sex workers

A review of HIV infection rates among female sex workers finds they still face significant risks – but notes …

04/04/12

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Lightning 'could one day be harvested as energy'

Just as solar panels turn sunlight into electricity, new devices might be able to turn lightning into electricity, …

26/08/10

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REDD alert for forest climate change policy

Programmes that cut emissions by halting deforestation could be negated by a rise in forest fires in the Brazilian …

07/06/10

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