All Stories
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FossilsFossil vomit shows what one 290-million-year-old predator dined on
Bones in the barfed-up material, which dates to a time before the dinosaurs, offer a rare peek into the diet of a prehistoric hunter.
By Jay Bennett -
OceansExperiment: Build your own beach!
Summer is a time for sun and sand. If you live inland, build your own mini beach in this science experiment.
- Space
Supermassive black holes might trace back to huge, ancient stars
Hefty stars might have collapsed into “intermediate mass” black holes — the building blocks of supermassive ones, a teen’s research suggests.
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PhysicsPhysics explains why sneakers squeak on the basketball court
We’re hearing a shoe’s sole wrinkling in bursts that repeat thousands of times each second.
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PhysicsScientists Say: Discharge
In physics, this release of energy can rebalance electrical charges. In biology, such a release might cool you down on a hot day.
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PhysicsCould a Star Wars lightsaber work?
The main problem with real-world lightsabers is that they would pass through each other. This means no intergalactic duels between Jedis and Siths.
- Microbes
Analyze This: Which cells are the speediest?
The cellular Olympics would be an amazing spectacle. Some cells move at mind-boggling speeds by jumping, gliding, swimming, expanding or shrinking.
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ClimateRockin’ farm fields suck up tons of CO2
Called enhanced rock weathering, spreading crushed basalt on crop lands can deliver farmers yet another bonus: bigger harvests.
By Douglas Fox -
AnimalsIntricate silk helps net-casting spiders trap prey in webs
Rufous net-casting spiders can adjust the stiffness and stretchiness of their webs thanks to looping strands of silk.
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PlanetsLet’s learn about Venus
Venus’ surface is hot enough to melt lead, studded with volcanoes and shrouded in clouds of corrosive acid.
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ArchaeologyAncient pottery shows the earliest evidence of humans doing math
The numbers of petals painted on 8,000-year-old pottery showed a distinct numerical pattern.
By Tom Metcalfe -
TechThese smart robots are smaller than a grain of salt
Such tiny robots could someday explore the cellular realm to study health and treat diseases.