Uncategorized
- Physics
Blowing bubbles for science
What is most important when blowing bubbles? Air speed, not the thickness of the soap film, scientists find.
- Climate
Cool Jobs: The power of wind
Science and engineering careers explore all aspects of wind, from terrible tornadoes to aeronautics and clean energy.
- Chemistry
Gulf oil spills could destroy shipwrecks faster
In the Gulf of Mexico, leftover crude oil from the Deepwater Horizon spill may be speeding the corrosion of old shipwrecks.
- Tech
Lost in the woods? A drone may find you
Scientists developed a new method to give drones the skills to follow hiking trails in search of lost hikers.
- Climate
Sea level rising fastest in 2,800 years
The oceans rose faster during the 20th century than any time in the past 2,800 years. More than half of the rise came from global warming.
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- Health & Medicine
Teens eating better but gaining weight
From 1999 through 2012, teens got heavier. But by downing less sugar and eating more healthy fats, their bodies also showed signs that these teens were somewhat healthier.
- Health & Medicine
Explainer: What is metabolic syndrome?
A “couch potato” lifestyle of too much sugary, fatty food and too little exercise leads to health problems. This is known as metabolic syndrome.
- Brain
When smartphones go to school
Students who use smartphones and other mobile technology in class may well be driven to distraction. And that can hurt grades, studies show.
- Fossils
Neandertal toe contains human DNA
DNA from a 50,000-year-old Neandertal woman’s toe bone shows humans left a mark on the ancient species — and much earlier than scientists had thought.
- Math
U.S. grasp of science is improving — but there’s a catch
Americans’ grasp of science is improving. But a new study shows that adults’ scores can vary depending on how questions are phrased.
- Health & Medicine
Blood pressure rises as kids become overweight
Researchers find that children and teens who gain too much weight see a near-simultaneous increase in blood pressure.
