Uncategorized
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ArchaeologyThis ancient Siberian ice mummy had intricate tattoos
The 2,000-year-old woman wears ink of prowling tigers and a fantastical griffin-like beast. Her tattoos were inked by two artists — a beginner and an expert.
By Celina Zhao -
SpaceLet’s learn about spooky ‘dark energy’
No one knows exactly what this stuff is, but it’s shaping our universe on the largest scales.
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FossilsBaby pterosaurs likely died in violent Jurassic storms
Two hatchlings with broken arm bones point to ancient storms as the cause of mass casualties now preserved in Germany’s Solnhofen Limestone.
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HumansScientists Say: Artifact
Take note: This term might describe ancient pottery shards in the field of archeology. But in statistics, it’s a misleading pattern in data.
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AnimalsRipple bugs’ frilly feet inspired a water-striding robot
The insects’ nimble movements on the surface of water inspired a robot with automatically unfurling fans on its feet.
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AnimalsHorses became gentle and easy to ride thanks to two gene mutations
Horse breeders altered two genes by targeting certain traits in horses. One made the animals tamer. Another made their backs sturdy enough to carry riders.
By Jake Buehler -
EarthCities across the world are sinking. Here’s how they might rebound
Affected coastal cities tend to flood more often — a growing threat in this era of continuing sea level rise.
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PsychologyConnections at school could limit bullying’s harm to mental health
Recently bullied teens with a strong sense of connectedness at school reported fewer signs of depression than those without it, a new study finds.
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AnimalsLet’s learn about venom
A bite or puncture from a venomous critter can cause paralysis, flesh rot, organ failure and many more violent — and sometimes fatal — symptoms.
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FossilsFossil teeth reveal some dinos were fussy eaters
The type of calcium in those teeth points to what herbivores preferred to eat — whether soft leaves, rough twigs or something else.
By Tom Metcalfe -
PhysicsScientists Say: Infrasound
“Listening” for changes in these deep rumblings can allow scientists to predict earthquakes and other geological events.
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Health & MedicineShort exercise workouts can boost classroom performance
When students spend just nine minutes doing high-intensity interval exercises, their brains can work more efficiently, new data show.