[Technology Review]
A novel matrix of neural stem cells and a biodegradable polymer can quickly repair brain damage from stroke in rats. Within just seven days of injecting the concoction directly into the damaged part of the brain, new nerve tissue grew to fill stroke-induced cavities.

[trackle]
Your personal tracker on the web.

[MIT News]
MIT engineers have created a kind of beltway that allows for the rapid transit of electrical energy through a well-known battery material, an advance that could usher in smaller, lighter batteries that could recharge in seconds rather than hours.

[The New York Times]
Most incompetent people do not know that they are incompetent.

[CBS News]
Emotional stress can lead to life-threatening irregular heartbeats just like physical stress.

[ScienceDaily]
Researchers have identified the gene that ultimately controls the production of tooth enamel, a significant advance that could some day lead to the repair of damaged enamel, a new concept in cavity prevention, and restoration or even the production of replacement teeth.

[twine]
Stephen Wolfram is building something new—and it may be as important for the Web (and the world) as Google.

[NewScientist]
Swedish physicists say that twisting radio beams into a helical shape as they are transmitted could help ease the congestion of the radiofrequency spectrum.