All Stories by Susan Milius
- Animals
Smart tags show unexpected tuna trips
The first report on Atlantic bluefin tuna wearing electronic tags reveals much more dashing across the ocean than expected.
- Animals
Bat bites bird. . .in migration attacks
The largest bat in Europe may hunt down migrating birds.
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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.
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Do parents with extra help goof off?
When researchers stepped in to help feed baby sparrows, the parents did not slack off but brought even more food.
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New robot frog gets into fights
Researchers have finally managed to build a robot frog that can provoke male frogs to attack.
- Animals
Roach gals get less choosy as time goes by
As their first reproductive peak wanes, female cockroaches become more like male ones, willing to mate with any potential partner that moves.
- Animals
Don’t look now, but is that dog laughing?
Researchers have identified a particular exhalation that dogs make while playing as a possible counterpart to a human laugh.
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Alarming Butterflies and Go-Getter Fish
Recent studies suggest that there may be more ways to create new species than Darwin imagined.
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Shut up! A thunderstorm’s on the way
The narrow-leafed gentian, a mountain blossom, is the first flower shown to close when a thunderstorm apporaches.
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Tests hint bird tails are misunderstood
A test of starling's tails in a wind tunnel suggests that the standard practice of extrapolating bird tail aerodynamics from delta-wing aircraft may be a mistake.
