Uncategorized
- Space
Astronauts are flying to the moon aboard Artemis II
This first human trip to the moon in more than 50 years will take four astronauts farther than anyone has gone before.
By Nikk Ogasa -
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.
-
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.
-
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.
-
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.
-
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.
-
PlanetsLet’s learn about Venus
Venus’ surface is hot enough to melt lead, studded with volcanoes and shrouded in clouds of corrosive acid.
-
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