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Phys.org / Historical DNA connects 1.3 million living relatives to 17th-century Maryland settlers
As the United States prepares to mark its 250th anniversary, researchers from 23andMe Research Institute, Harvard University, and the Smithsonian Institution have teamed up to study one of the country's founding settlements: ...
Phys.org / Webb discovers one of the universe's first galaxies
Scientists have discovered a galaxy as it was 13 billion years ago, 800 million years after the Big Bang. It contains possible evidence of the universe's first stars and is one of the most chemically primitive galaxies observed ...
Phys.org / String theory is uniquely derived from basic assumptions about the universe, physicists show
If you could take an apple and break it into smaller and smaller parts, you would find molecules, then atoms, followed by subatomic particles like protons and the quarks and gluons that make them up. You might think you hit ...
Science X / Your brain has a shortcut for hard problems, and it starts by ignoring most of them
What's the best way to learn a puzzle or solve a problem? Consider a task where you must predict the weather from mysterious symbols. Should you try to interpret all the clues at once, or master them one by one? A new study ...
Phys.org / A fresh approach to peppermint: 250 new variants could boost flavor and fight disease
The genomics of peppermint are not as fresh as their flavor but scientists from the University of California, Davis, have found a way to breathe new genetic variation into the species. The findings, published in the Proceedings ...
Science X / Grasslands are facing a threat of poisonous plant takeover—but there's a surprising upside
Grasslands provide food for millions of grazing animals across the world, but overgrazing along with climate change make these valuable ecosystems vulnerable to invaders. In particular, certain species of poisonous plants ...
Medical Xpress / Africa's top health body confirms new Ebola outbreak in remote Congo province
Africa CDC, the continent's top public health body, on Friday confirmed a new Ebola outbreak in Congo's remote Ituri province, with 246 suspected cases and 65 deaths recorded so far.
Phys.org / Hairy new fish species discovered in the Great Barrier Reef
Swimming among the corals of the Great Barrier Reef is a fish that could be a doppelganger for the famous Sesame Street character Mr. Snuffleupagus. This bright orange-red, hairy, long-snouted ghost pipefish is a new species ...
Phys.org / Q&A: Is it time to expand our thinking about dark matter? A new study says yes
We may be more in the dark about dark matter than previously thought, according to a new analysis of distant galaxy clusters. Yale astrophysicist Priyamvada Natarajan, a leading theorist on the nature of black holes and dark ...
Science X / Perseverance rover uncovers the role of water in Mars's mineral past
NASA's Perseverance rover has spent more than three and a half years exploring Mars's Jezero Crater, building up a remarkable catalog of mineral discoveries.
Phys.org / Why emus can't fly: A 'time switch' in bird embryos holds the answer
Why can eagles soar through the skies while emus are bound to the earth? One secret lies in a skeletal structure called the keel, a blade-like ridge on the breastbone that anchors the flight muscles needed for powered flight. ...
Medical Xpress / Viagra could hold key to halting Peyronie's disease
Combining two widely prescribed drug classes could provide the first effective treatment for early-stage Peyronie's disease, according to a new study published in The Journal of Sexual Medicine.