Uncategorized
- Space
Hurricane at this galaxy’s center is wicked fast
The gale-force winds around one quasar whip by at almost 200 million kilometers per hour. That’s 625,000 times faster than the strongest hurricanes on Earth.
- Materials Science
Sunlight + gold = steaming water (no boiling needed)
Nano-gold is the new black, at least when it comes to absorbing heat. When tiny gold particles get together, they become energy super-absorbers — turning them black.
- Earth
Cool Jobs: Mapping the unknown
Scientists find different ways of exploring places humans will never visit — and drawing maps to help us better understand such mysterious places.
- Earth
Carbon dioxide could explain how geysers spout
A new study overturns 150 years of thinking about Yellowstone’s geysers. Carbon dioxide, not just hot water, may be driving those spectacular eruptions.
- Tech
Tiny microrobots team up and move full-size car
Researchers have just created robots that mimic the ability of ants to move super-large objects.
- Physics
Scientists Say: Yottawatt
On Earth, scientists measure energy use in watts. When you have lot of those watts — one million billion billion — you have a yottawatt.
- Health & Medicine
Newly discovered microbe keeps teeth healthy
A newfound bacterium halts the tooth erosion that leads to cavities. This germ or one like it might one day be added to toothpaste or mouthwash.
- Chemistry
Particles in air help fatten clouds’ water droplets
Making their own clouds has shown scientists how the fattest water droplets form. Understanding this could lead to better forecasts of climate change.
- Health & Medicine
Focusing on one sport ups a teen’s risk of injury
Want to decrease athletic injuries? Part of the answer may be to engage in more, and more varied, sports.
- Computing
Feeling objects that aren’t there
A new technology uses high-frequency sound waves to create virtual objects you can feel. Its uses include better video games and safer driving.
- Earth
Quake risk in some central states rivals California’s
Risks of tremors in some central U.S. states are as high as those in quake-prone California. The reason: waste fluids from oil and gas drilling.
- Chemistry
Gotcha! New test stalks diseases early
Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.
