Archive: 01/24/2008

Earth's getting 'soft' in the middle

Since we can’t sample the deepest regions of the Earth, scientists watch the velocity of seismic waves as they travel through the planet to determine the composition and density of that material. Now a new ...

Jan 24, 2008
4.4 / 5 (19) 2

New tool probes brain circuits

Researchers at the Picower Institute for Learning and Memory at MIT report in the Jan. 24 online edition of Science that they have created a way to see, for the first time, the effect of blocking and unbloc ...

Jan 24, 2008
4.6 / 5 (18) 0

Marijuana withdrawal as bad as withdrawal from cigarettes

Research by a group of scientists studying the effects of heavy marijuana use suggests that withdrawal from the use of marijuana is similar to what is experienced by people when they quit smoking cigarettes. Abstinence from ...

Jan 24, 2008
2.1 / 5 (9) 4

Elusive pancreatic stem cells found in adult mice

Just as many scientists had given up the search, researchers have discovered that the pancreas does indeed harbor stem cells with the capacity to generate new insulin-producing beta cells. If the finding made in adult mice ...

Jan 24, 2008
4 / 5 (3) 0