Robber flies snatch victims from the air using the same interception strategy as guided missiles and falcons, but how do they intercept airborne quarry when their view is obstructed by foliage and clutter? Researchers from ...
Plants & Animals
Feb 15, 2022
0
17
Lurking beneath overhanging foliage, archerfish have one thing on their mind: taking a well-aimed pot-shot at the next insect that settles within range. Squirting a ballistic jet of water, these tenacious assassins precisely ...
Plants & Animals
Feb 11, 2022
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5
At night, hummingbirds lower their body temperature and metabolism drastically by dropping into an energy-saving state of inactivity called torpor. Scientists from multiple universities now find there's more than one level ...
Plants & Animals
Feb 2, 2022
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47
At Christmas, thousands of greetings cards feature the iconic winter plumage of the robin. But not all the robins you might find in your backyard are permanent natives to your country. In the UK, for example, some will have ...
Plants & Animals
Jan 5, 2022
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5
Whether it's warm outside or cold, people generally eat about the same amount. But a fish's appetite can vary enormously with the temperature. As coldblooded animals, their metabolism is governed by external conditions: It's ...
Plants & Animals
Dec 14, 2021
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32
At first glance, Antarctica seems inhospitable. Known for howling gales and extremely cold temperatures, the continent is blanketed with a mile-thick ice shelf. Occasional elephant seals and seabirds fleck the glacial shorelines.
Earth Sciences
Nov 29, 2021
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40
The fruit fly, long the organism of choice for scientists studying genetics and basic biological processes, still harbors some secrets of its own.
Plants & Animals
Oct 27, 2021
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31
Seahorses are not exactly Olympic swimmers—in fact, they're considered to be particularly poor swimmers. Despite being relatively slow, however, they are adept at preying on small, quick-moving animals. In a new study conducted ...
Plants & Animals
Oct 5, 2021
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82
Max Planck researchers have gained new insights into the learning ability of tobacco hawkmoths. In two recent publications, they report that learning odors does not only play a role in foraging, but that female moths are ...
Plants & Animals
Sep 28, 2021
0
23
Whether walking beside a lake or clambering a mountain, people adjust their strides to use the least energy possible. "People are continuously sensing their energy expenditure and adapting their gait to minimize costs," says ...
Other
Sep 15, 2021
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15
