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Do people flirt like guppies?
Researchers who have studied how female guppies copy other females' choice of mate are tackling the same question in Homo sapiens.
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Beaks change songs in Darwin’s finches
A new look—and listen—at Darwin's finches finds that the famous relationship between beak size and food supply affects their courtship songs as well.
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Puppy tests flunk long-term checkups
A follow-up study of dog-personality tests suggests that they don't have the predictive power many puppy purchasers expect.
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Looking for a mate? Oh, whatever
Two cricket species don't seem to care whether they get mixed up at mating time, an oddity that may have something to do with the female's need to dine on leftover sperm.
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Social tuco-tucos develop more variety
In mustachioed rodents called tuco-tucos, group life seems to have fostered more diverse immune systems than has solitary living.
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She salamanders punish fickle mates
Female salamanders get aggressive if the male they share a rock with wanders back after an interlude with another female.
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19249
A mild objection: This article on lichens mentioned that lichens are composed of fungi and algae, a type of protist, as if it were a given that all agree to. While it is true that the majority of taxonomists would classify an alga as a protist, there still are a large number of modern taxonomists […]
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Yikes! The Lichens Went Flying
Tales from the dark (and frequently crunchy) side of biodiversity.
- Physics
Seeking the Mother of All Matter
World's mightiest particle collider may transform less-than-nothing into a primordial something.
- Materials Science
Apollo attire needs care
Advanced spacesuits protected astronauts far from Earth just 30 years ago, but the materials have already deteriorated.
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Tales from the crypts: Cells battle germs
Inhabiting tiny pits in the small intestine, so-called Paneth cells defend other cells in these crypts by discharging bacteria-killing bursts of enzymes and other molecules.
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19248
This article suggests that exposure to microbes in early life helps develop a child’s immune system. Speaking of dietary habits among 18th-century “Scotch-Irish” immigrants to the back-country regions of colonial America, David Hackett Fischer notes in Albion’s Seed (1989, Oxford University Press): “The quality of butter was believed to be improved in proportion to the […]
