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Cognition3076 articles archived since 1845

Sloths Not as Lazy as Thought

In a study that illustrates the pitfalls of relying on research done on animals in captivity, biologists found that wild sloths slept far less than they previously thought. Karen Hopkin reports.

June 2, 2008

The Lure of Bette Davis Eyes

Two scientists from the University of Bremen have found that groups of brain cells within the temporal lobe of macaque monkeys, are not only dedicated to recognizing facial features, but each cell is responsible for specific sub-sets of facial features, like eye size.

May 5, 2008

Word Problems Fail Math Students

The old "two trains traveling at 60 miles per hour in opposite directions" style of math word problems is less effective at training students than is dealing with abstract concepts, such as finding the value of x. Adam Hinterthuer reports.

April 25, 2008

Solving a Massive Worker Health Puzzle

The largest workplace health study ever conducted is applying cutting-edge techniques to investigating an apparent cancer cluster - and highlighting the reasons why science doesn't always protect us at work

February 18, 2008 — Carole Bass

The Limits of Quantum Computers

Quantum computers would be exceptionally fast at a few specific tasks, but it appears that for most problems they would outclass today's computers only modestly. This realization may lead to a new fundamental physical principle

February 18, 2008 — Scott Aaronson

Even Low Lead Levels Lower IQ

Kids with lead levels within the high end of currently acceptable standards have lower IQ scores than kids with even lower levels. Cynthia Graber reports.

December 3, 2007

The Secret to Raising Smart Kids

Hint: Don't tell your kids that they are. More than three decades of research shows that a focus on effort-not on intelligence or ability-is key to success in school and in life

November 28, 2007 — Carol S. Dweck