Uncategorized
- Health & Medicine
Insect-saliva vaccine thwarts parasite
Mice inoculated with a component of sand fly saliva develop immunity to Leishmania, a protozoan that infects hundreds of thousands of people in the tropics each year.
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The trouble with small male spiders
A test of an old view of sexual cannibalism—that it's a way of rejecting suitors—finds that small males lose out, but not from attacks by females.
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Funnel-web males send knockouts in air
Male funnel-web spiders seem to waft some kind of gas toward females that renders the females limp, enabling the males to mate without being eaten.
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River dolphins can whistle, too, sort of
In the most elaborate attempt so far to eavesdrop on Brazil's pink river dolphins, researchers have detected what may be a counterpart to seafaring dolphins' whistles.
