Even empty gaps have a colour. Now scientists have shown that quantum jumps of electrons can change the colour of gaps between nano-sized balls of gold. The new results, published today in the journal Nature, set a fundamental ...
Quantum Physics
Nov 7, 2012
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(PhysOrg.com) -- One of the ways in which humans determine distance is by estimating the sharpness of an image—closer objects produce a sharp image, while those further away are out of focus. For us, this is a minor ...
Corn split off from its closest relative teosinte, a wild Mexican grass, about 10,000 years ago thanks to the breeding efforts of early Mexican farmers. Today it's hard to tell that the two plants were ever close kin: Corn ...
Biotechnology
Sep 25, 2011
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(PhysOrg.com) -- Researchers in New Zealand have found that a type of jumping spider prefers the odor of smelly socks to clean ones. The spider is the only predator known to feed indirectly on vertebrate blood by eating the ...
If you thought women's pro wrestling was a cutthroat business, jumping spiders may have them beat.
Plants & Animals
Jun 7, 2010
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(PhysOrg.com) -- There are approximately 40,000 species of spiders in the world, all of which have been thought to be strict predators that feed on insects or other animals. Now, scientists have found that a small Central ...
Plants & Animals
Oct 12, 2009
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Arachnophobia can make humans flee at the sight of a brown recluse, black widow or even a daddy long legs, but animal predators of spiders know no such fear.
Ecology
Mar 22, 2024
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Jumping spiders (Salticidae) are a recently evolved family of spiders. They are known for their distinctive large eyes and ability to jump long distances relative to their small size. Australia has about 1,200 to 1,500 species ...
Evolution
Sep 21, 2023
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61
Scientists studying gene activity data of the early human embryo have discovered an overlooked type of cell that self-destructs within days of forming, as part of a quality control process to protect the developing fetus. ...
Cell & Microbiology
Jun 20, 2023
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304
Jumping genes, or transposons, are sections of DNA that can copy themselves and jump between different parts of the genome, and might help plants adapt to stressful, changing conditions, according to a study published in ...
Plants & Animals
Jun 15, 2023
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