Zinc fingers are essential components of proteins used by living cells to turn genes on and off.

4

2

scientists say gene therapy may be on the edge of a resurgence.

5

2

The boy relied on a cane and adults to guide him, and, unable to see blackboard writing, sat in back with a teacher's aide, large-type computer screen and materials in Braille.

9

3

Adults who play a lot of action video games may be improving their eyesight, U.S. researchers said on Sunday. More Articles

6

6

KEY CONCEPTS

6

7

MIT scientists propose that blood may help us think, in addition to its well-known role as the conveyor of fuel and oxygen to brain cells.

7

9

Researchers at the University of Rochester have made an optics breakthrough that allows them to encode an entire image's worth of data into a photon, slow the image down for storage, and then retrieve the image intact.

9

1

IF you're preparing for a brain-storming session and you want the creative juices to flow, you need to get happy, a study released today suggests. Researchers find good mood good for creativity, bad for details But if you need sharp focus, you are better off scared.

3

0

I always thought the Internet worked like my brain. So I wasn't too far off.

2

0

What will emerge from using the Internet as a research tool? The answer, Vernor Vinge argues, will be limited only by our imaginations.

5

0