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Tuesday, September 30, 2014
Monday, September 29, 2014
Sunday, September 28, 2014
Human resistance to malaria varies depending on location, study finds - ABC News (Australian Broadcasting Corporation)
Human resistance to malaria varies depending on location, study finds - ABC News (Australian Broadcasting Corporation)
Humans have evolved different defences against malaria depending on where they live, scientists have found.
About half the world's population is exposed to the disease, which kills more than 500,000 people each year.
A study, conducted over 10 years across 11 countries, looked for specific mutations known as markers in genes that result in resistance against malaria in almost 12,000 people.
Laboratory head at the Walter and Eliza Hall Institute in Melbourne, Dr Ivo Mueller, said the study found there is a close evolutionary interplay between malaria and human populations.
"It is a complex interaction between the parasite and the human genome," he said.
"Part of this study was done in Papua New Guinea, but most of these mutations that we found are actually not found in Papua New Guinea because people there never acquired these mutations.
Saturday, September 27, 2014
In defiance of Spain, Catalonia calls secession vote | News | DW.DE | 27.09.2014
In defiance of Spain, Catalonia calls secession vote | News | DW.DE | 27.09.2014
Catalan President Artur Mas on Saturday signed a formal decree calling for a referendum to be held on November 9, to ask Catalonians whether their region should break from Spain.
The powerful and wealthy northeastern region has a long-standing movement for independence, which has gained momentum in recent years due to Spain's struggling economy.
However, the Spanish government insists the planned referendum is illegal. It is expected to call an emergency cabinet meeting in the next days to launch an appeal to the country's constitutional court, aimed at blocking the vote.
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