Your own blood could become a mosquito's worst enemy
Mosquitos kill about 725,000 people a year... making them the deadliest animal in the world. Our own blood could kill them, thanks to a new study of an old drug.
Mosquitos kill about 725,000 people a year... making them the deadliest animal in the world. Over half of those are from malaria, a protozoan parasite that destroys red blood cells, which is spread by mosquitos in tropical and subtropical regions.
Researchers have found that taking ivermectin, a drug designed to prevent elephantitis, actually kills mosquitos when they bite a human. With high doses (300mg or more) of ivermectin, it killed mosquitos for up to 30 days. It's exciting news for researchers, who have been looking for more concrete evidence that the drug works before rushing it to the mass market. Ivermectin has been around since the 1980s but only has it fairly recently been used to study malaria. Studies have been performed using ivermectin since the 1980s, yet the recently published study in the Lancet Infectious Diseases journal appears to be the most conclusive.
Mosquitos, it has been argued, serve no real biological purpose on Earth. A 2010 study found that from an ecological standpoint mosquitos are only good at two things: spreading disease (which they excel at) and creating other mosquitoes. Aside from a few frogs and spiders going hungry for a few hours, we really wouldn't be missing that much.
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Arranged marriages and Western romantic practices have more in common than we might think.
In his book In Praise of Love (2009), the French communist philosopher Alain Badiou attacks the notion of 'risk-free love', which he sees written in the commercial language of dating services that promise their customers 'love, without falling in love'.
She met mere mortals with and without the Vatican's approval.
- For centuries, the Virgin Mary has appeared to the faithful, requesting devotion and promising comfort.
- These maps show the geography of Marian apparitions – the handful approved by the Vatican, and many others.
- Historically, Europe is where most apparitions have been reported, but the U.S. is pretty fertile ground too.
New research on the public's opinion about genetically modified foods illustrates an alarming cognitive bias.
- A recent study compared the public's scientific literacy with their attitudes on GM foods.
- The results showed that "as the extremity of opposition increased, objective knowledge went down, but self-assessed knowledge went up."
- The results also suggest that, in terms of policy efforts to boost scientific literacy, education about a given topic alone isn't going to be enough.
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