Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression.
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Dec 25, 2023
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(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, whereby ...
Would you eat potatoes grown in human poo? And how would you feel if the marigolds in your local park sprouted from human manure? In the midst of climate crisis, human manure offers significant environmental benefits. But ...
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Aug 21, 2024
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Despite sharing 98% of our DNA with chimpanzees (Pan troglodytes), humans (Homo sapiens) have much bigger brains and are as, a species, much more intelligent. A research team led by Reseacher Tomoko Sakai, Primate Research ...
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Jan 15, 2013
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(PhysOrg.com) -- When it comes to the current domain of life, we are familiar with the three branches: bacteria, archaea, and eukaryotes. However, Jonathan Eisen of UC Davis and his team have published possible evidence ...
The world's first "test-tube" meat, a hamburger made from a cow's stem cells, will be produced this fall, Dutch scientist Mark Post told a major science conference on Sunday.
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Feb 20, 2012
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(PhysOrg.com) -- You’ve seen it on television: A doctor shines a bright light into an unconscious patient’s eye to check for brain death. If the pupil constricts, the brain is OK, because in mammals, the brain controls ...
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Nov 2, 2011
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We're all familiar with the story of Rudolph the Red-Nosed Reindeer by Robert L. May (a class of 1926 Dartmouth alumnus) but scientifically speaking, what are the optical benefits of a shiny red nose on a foggy Christmas ...
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Dec 21, 2015
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(Phys.org) —A pair of botanists has published a paper in HerbalGram in which they note similarities between plant illustrations in the famed Voynich Manuscript and plant illustrations in old Mexican botanical books and suggest ...
James Smoliga, a physical therapist at High Point University, has developed a computer model that not only shows the rate of improvement in hot dog eating contestants, but provides a number for the limit on the number of ...
