Dragonflies can see by switching 'on' and 'off'
(Phys.org) —Researchers at the University of Adelaide have discovered a novel and complex visual circuit in a dragonfly's brain that could one day help to improve vision systems for robots.
(Phys.org) —Researchers at the University of Adelaide have discovered a novel and complex visual circuit in a dragonfly's brain that could one day help to improve vision systems for robots.
Plants & Animals
Aug 15, 2013
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(Phys.org)—A team of researchers studying velvet belly lantern sharks has discovered that the species has bioluminescent cells on both its belly and near its dorsal spines. The team describes their surprising findings in ...
How can predators coexist with their prey over long periods without the predators completely depleting the resource that keeps them alive? Experiments performed over a period of 10 years by researchers from McGill University ...
Plants & Animals
Dec 18, 2019
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A famous mathematical formula which shook the world of ecology 40 years ago has been revisited and refined by two University of Chicago researchers in the current issue of Nature.
Ecology
Feb 19, 2012
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Researchers from the Universities of Turku and Helsinki, Finland, have discovered the prey species of adult dragonflies and damselflies, as modern laboratory techniques enabled the study of the insects' diet. In the study, ...
Plants & Animals
Oct 4, 2017
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(Phys.org) —Contemporary ecological theory assumes that differently sized individuals in a population are equally efficient in their use of food resources. Still this is only true in a very exceptional case. It is much ...
Ecology
Aug 6, 2013
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(PhysOrg.com) -- Ground-nesting birds face an uphill struggle to successfully rear their young, with many eggs and chicks falling prey to predators.
Plants & Animals
Jun 23, 2011
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Many animals – from locusts to fish – live in groups and swarm, but scientists aren't sure why or how this behavior evolved. Now a multidisciplinary team of Michigan State University scientists has used a model system ...
Plants & Animals
Jun 5, 2013
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(PhysOrg.com) -- A new UC Davis study of 110 years of mountain-lion attacks on people suggests the conventional wisdom of standing your ground may not always be the right course.
Plants & Animals
Apr 8, 2009
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(PhysOrg.com) -- In cold weather a chameleon’s metabolism slows down, but its tongue continues to work quickly to capture prey. A new study has found out why: the tongue does not rely on direct muscle contractions, and ...