Applying a thin coating made from naturally occurring cellulose nanocrystals (CNC), a renewable raw material found in the likes of cotton and wood, and indole, an organic compound with an unpleasant odour, to skin served as “chemical camouflage”, said the study published in PNAS Nexus. Earlier this month, researchers at the Hebrew University of Jerusalem (HUJI) developed a new repellant capable of reducing the number of mosquitoes feeding by 80%. At this point, I can only assume the mosquitoes are giving other species ideas.īut there are signs that a solution for the 20% of the population who receive above-average numbers of bites may soon be at hand. On a single day last December, a tropical Christmas trip quickly became a less-than-festive scratchathon after a glut of bites arrived, following which I was stung by jellyfish, then wasps. Whether at home or abroad, when mosquitoes begin their hunt for blood I am reminded, via a blanket of red blotches that have more than once swelled to the size of a golf ball, that mine is a godlike nectar. T he earliest signs of summer herald my annual metamorphosis – from woman to lifesize pincushion.
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