Uncategorized
- Materials Science
3-D printers offer better way to make some magnets
3-D printers produced magnets as strong as conventional ones with less material wasted.
- Animals
Animals can do ‘almost math’
Humans aren’t the only animals with a number sense. Scientists are trying to figure out where and when it evolved.
- Chemistry
Scientists Say: Surface tension
Surface tension is what makes water in your glass seem like it’s covered by an invisible membrane holding it together.
- Computing
Two numbers set a record — and not just for being book length
Twin primes are prime numbers that differ by just 2. The largest known twins have just been discovered — each 388,342 digits long!
- Computing
Star Trek technology becomes more science than fiction
On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.
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How not to grin and bear it
Three teen researchers who took part in this year’s Broadcom MASTERS competition seek to help those who clench and grind their teeth.
- Brain
To reveal how the brain creates joy, start by tickling rats
Rats love a good tickle. Not only do they beg for more, but the action itself activates a part of the brain that detects touch, researchers find.
- Psychology
Racism hurts
Hate crimes and harassment since the 2016 election affirm that racism still exists in America. Here’s what racism is, how it hurts and how people who witness it can respond.
- Health & Medicine
Five things students can do about racism
Racism plagues societies around the world and has since ancient times. But scientists who have studied its impacts offer suggestions on how to make it stop.
- Genetics
Scientists Say: eDNA
Animals may escape traps or nets, but they often leave DNA behind in their environment, giving scientists important clues.
- Brain
What makes a pretty face?
Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?
- Health & Medicine
Implant traps cancer cells on the move
A device implanted under the skin extended the life of mice with breast cancer. It trapped injected cancer cells before they created tumors in organs throughout the body.
