Tuesday, 22 May, 2012

New device translates brain signals into action, bypassing a destroyed spinal cord. Could this type of gadget help overcome paralysis?

Test shows horrific math performance by U.S. students. What do mathematicians and educators say about teaching math? Are we near a resolution of the math wars? Is there one optimal way to teach math?

Stress: Nobody likes it, but exactly what does it do to the brain? New study shows altered blood flow during stress.

How does an atomic clock work? How does an atomic fountain work? Is there a limit to the accuracy of an atomic clock?

If you convince people that a food made them sick, some will avoid the food in the future. You lie and implant a memory, and that changes behavior.

In sarcasm, words don’t mean what they seem. How does the brain interpret sarcasm? Where does it figure out that “You’re doing great” is meant as an insult?

Researchers marvel at the traps set by ingenious ants to capture flying and jumping prey that might otherwise escape.

Scientific creativity requires a team that mixes familiar and unfamiliar collaborators. The best creative team has some established collaborators, and some newcomers. The same recipe holds for science — and Broadway musicals!

RFID, radio frequency identification tags are being introduced to Wal-Mart, Defense Department, other parts of the supply chain. What are the privacy implications?

Study of tribe in South America shows that using a language without numbers degrades ability to count.