Uncategorized
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GeneticsQatari people carry genetic trace of early migrants out of Africa
Qatari genomes carry shards of DNA that date back 60,000 years, when humans began to leave Africa.
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CosmologyRevamping the size of the universe
Despite new telescopes and technology, no one knows whether the universe is infinitely large or even if what has been observed is the only universe that exists.
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Materials ScienceRecyclable superplastics made with old chemistry
A new durable plastic and a self-healing gel are the first high-performance polymers that are easily recycled.
By Beth Mole -
AnthropologyTeen’s skeleton ties New World settlers to Native Americans
Underwater cave discovery in Mexico shows genetic range of New World’s ancient Asian colonists.
By Bruce Bower -
Health & MedicineBlood test predicts if false labor is headed for delivery room
A test for white blood cells and specific genetic markers may offer insights into whether preterm contractions are false labor or the real thing.
By Nathan Seppa -
AstronomyMilky Way’s far side reveals some secrets
Variable stars provide first direct measurements of distance to the far side of the Milky Way.
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EarthTiny earthquakes may follow groundwater loss
Draining California’s aquifers may stress San Andreas Fault, triggering earthquakes and forcing mountains to rise.
By Meghan Rosen -
NeurosciencePlaying football linked to brain changes
Division I college football players have smaller hippocampi, especially if they’ve had concussions.
By Nathan Seppa -
Quantum PhysicsNext-gen quantum teleportation in just 2 photons
Researchers teleport quantum information between two photons instead of the standard three.
By Andrew Grant -
OceansDeepwater Horizon methane lingered longer than thought
Microbes may not have consumed methane from the 2010 Deepwater Horizon oil spill as fast as previously thought.
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ClimateAntarctic glacier melt is unstoppable
The inevitable collapse of Antarctic’s western glaciers could raise global sea level by more than 4 meters in coming centuries.
By Beth Mole -
PaleontologyAsteroid strike spurred quick chill that led to dinosaurs’ demise
After an asteroid struck Earth 66 million years ago, ocean temperatures fell 2 degrees Celsius, leading to mass extinction of dinosaurs and other life.