(PhysOrg.com) -- There are more than 2,000 species of fireflies around the world, many of which are best known for their bioluminescence. Fireflies, which are not flies but beetles, produce flashes of light in order to communicate ...
Trust the French to compose poetry from banality. And yet the biological explanation for the many physical differences between males and females remains incomplete.
Plants & Animals
Aug 19, 2016
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217
In a vivid illustration of natural selection at work, scientists at Harvard University have found that deer mice living in Nebraska's Sand Hills quickly evolved lighter coloration after glaciers deposited sand dunes atop ...
Evolution
Aug 27, 2009
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Performing experiments in a river in Trinidad, a team of evolutionary biologists has found that male guppies continue to reproduce for at least ten months after they die, living on as stored sperm in females, who have much ...
Plants & Animals
Jun 12, 2013
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During the Industrial Revolution in 19th-century England, black moths started appearing - because they blended in better on pollution-darkened tree trunks than did normal, speckled moths. Now scientists are closing in on ...
Plants & Animals
Apr 17, 2011
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A team of researchers from NYU Abu Dhabi (NYUAD) has discovered new insights into the evolution of color patterns in frogs and toads—collectively known as anurans. Animal color patterns can help them camouflage with their ...
Evolution
Nov 17, 2022
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55
(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.
Plants & Animals
Nov 5, 2009
5
1
A snake that actually looks like many different snakes. It sounds like a riddle. It sort of is.
Plants & Animals
Mar 22, 2021
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270
For more than 20 years, a research team at Lund University in Sweden has studied the common bluetail damselfly. Females occur in three different color forms—one with a male-like appearance, something that protects them ...
Evolution
Nov 17, 2023
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101
A variety of animals have male-specific ornament traits and these ornaments are favored by female choice. Which male traits are preferred by females often varies among females. Genetic mechanisms that create and maintain ...
Plants & Animals
Nov 13, 2018
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