Think evolution is a slow, gradual process? Tell that to fruit flies. In a new report in Science, researchers from the University of Pennsylvania used a controlled field experiment to show that flies rapidly adapted to shifting ...
Evolution
Mar 17, 2022
1
337
For female common yellowthroats, beauty isn't just skin—or features—deep. New research provides evidence that large or showy physical features of males attract females because they signal high-quality male genes, such ...
Plants & Animals
Feb 14, 2022
0
174
A viable molecular explanation for the origin of compact myelin of vertebrates has been a long time coming. While many invertebrates are certainly capable of wrapping their axons with crude glial extensions, none can manage ...
When bears and ground squirrels hibernate in winter, they stop eating, lasting until spring simply on the fat reserves they've stored up in their bodies. Usually, this sort of prolonged fasting and inactivity would significantly ...
Plants & Animals
Jan 27, 2022
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374
Quintessential human traits such as large brains first appear in Homo erectus nearly 2 million years ago. This evolutionary transition towards human-like traits is often linked to a major dietary shift involving greater meat ...
Evolution
Jan 24, 2022
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1808
Many of the birds that awaken us each morning learn their melodious songs the same way that humans learn a dialect—from parents and neighbors.
Plants & Animals
Jan 13, 2022
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276
A simple roadside weed may hold the key to understanding and predicting DNA mutation, according to new research from University of California, Davis, and the Max Planck Institute for Developmental Biology in Germany.
Evolution
Jan 12, 2022
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3388
A team of researchers at the George Washington University has identified a gene that determines whether ultraviolet iridescence shows up in the wings of butterflies. In a study published in Proceedings of the National Academy ...
Plants & Animals
Jan 11, 2022
0
155
A team of researchers affiliated with multiple institutions in the U.S., the Institute for Advanced Study in Toulouse, France and the Max Planck Institute for Evolutionary Anthropology in Germany has found evidence that suggests ...
The two-meter skull of a newly discovered species of giant ichthyosaur, the earliest known, is shedding new light on the marine reptiles' rapid growth into behemoths of the Dinosaurian oceans, and helping us better understand ...
Evolution
Dec 23, 2021
0
2592
