Tagged: Brazil

The fires in Brazil in satellite imagery: Part 1 - Out of Space

Duncan Steel Aug 31, 2019

The numerous fires now burning in Brazil have been much-discussed of late, with world leaders complaining that the nation’s authorities allowing such clearing of land is highly detrimental to international efforts to limit the release of more carbon dioxide into the atmosphere, with the potential to exacerbate anthropogenic global warming/climate change. In this post I illustrate how such fires may … Read More

With FCC’s net neutrality ruling, the US could lose its lead in online consumer protection - Guest Work

Guest Author Jan 22, 2018

Sascha Meinrath, Pennsylvania State University and Nathalia Foditsch, American University This article was originally published on The Conversation. Read the original article. The internet may be an international system of interconnecting networks sharing a rough global consensus about the technical details of communicating through them – but each country manages its … Read More

Fluoridation helps protect adult teeth as well as children’s - Open Parachute

Ken Perrott May 16, 2017

Recent research reveals that community water fluoridation benefits adults as well as children. While research into the effects of fluoridation in adults started earlier than for children, early studies suffered from a lack of information on effects of socioeconomic status and other confounding factors.  Recent studies with adults have been more robust but there is still some confusion – especially since … Read More

An update on Zika infection and pregnancy - Infectious Thoughts

Siouxsie Wiles Mar 16, 2016

New research which looked at the data from the 2013-2014 outbreak of Zika in French Polynesia, estimates that the risk of microcephaly is about 1 for every 100 women infected with the Zika virus during the first trimester of pregnancy. Zika is the virus spread by mosquitoes (and more rarely by sexual transmission) that … Read More

Zika: a potential new mozzie vector? - Infectious Thoughts

Siouxsie Wiles Mar 04, 2016

Brazilian scientists announce Zika could be spread by a different species of mosquito, one more common in Brazil and present in countries like New Zealand. According to the US Centers for Disease Control (CDC), the Zika virus is currently known to be transmitted by Aedes species mosquitoes, namely A. aegypti and A. albopictus. Media … Read More

Zika update – sexual transmission & GM mosquitoes - Infectious Thoughts

Siouxsie Wiles Feb 04, 2016

Earlier this week the WHO declared the Zika virus outbreak in the Americas a Public Health Emergency of International Concern and yesterday the CDC reported that someone in Dallas had become infected with the virus by having sex with someone infected overseas. Meanwhile, the internet is awash with claims that genetically-modified mosquitoes are to blame for the outbreak in Brazil.  In … Read More

Tropic of Chaos - Hot Topic

Bryan Walker Jun 20, 2011

The title piqued my curiosity: Tropic of Chaos: Climate Change and the New Geography of Violence. Christian Parenti’s book is about what he calls “the catastrophic convergence”, when the dislocations of climate change collide with already-existing crises of poverty and violence. He points to evidence, often in tropical countries, that political, economic and environmental disasters [...] … Read More

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