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A guide to free software for constructing and assessing species relationships
Protein interaction networks in Arabidopsis give clues to plant evolution and immunity.
The discovery of a new bird-like fossil challenges longstanding theories about which species of dinosaur gave rise to the avian lineage.
Like many fish and amphibians, the Guiana dolphin can sense low levels of electrical activity in the water—an ability not previously reported in true mammals.
People living in near the Earth’s poles, where days are often short and light often low, have larger eyes and visual cortices than those closer to the equator.
Unlike human brains, chimpanzee brains don’t get smaller as they age, suggesting that pronounced neurological decline is a uniquely human byproduct of our oversized brains and extreme longevity.
Non-African people carry remnants of the Neanderthal X chromosome, suggesting interbreeding with early human ancestors.
Using synchrotron rapid scanning X-ray fluorescence to map the distribution of trace metals in avian fossils over 120 million-year-old, researchers reconstruct the pigment patterns of their feathers—revealing some of the extinct birds' long-lost colo
Researchers with financial ties to a company that makes a popular back surgery product overlooked the product’s adverse side effects.
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