How to Grow a Bigger Brain

User rating: 3.4 / 5 after 13 vote(s)

A newly hatched trout (Rebecca KihslingerUC Davis photo)
A newly hatched trout (Rebecca Kihslinger/UC Davis photo)

Hatchery-reared steelhead trout show increased growth of some parts of the brain when small stones are scattered on the bottom of their tank, according to a new study by researchers at UC Davis. The brains of those young fish were closer to those of salmon reared in the wild, and the fish also showed behavior closer to wild than to hatchery-reared fish.


Full story »

All News summaries from General Science news
All News summaries for March 06, 2006

Oldest gorilla in captivity dies in Dallas at 55

Sep 05, 2008 | User rating: not rated yet
(AP) -- The oldest gorilla in captivity, a 55-year-old female named Jenny, has died at the Dallas Zoo - her home for more than half a century, a spokesman said Friday.

Study: Individual Personal Ties Strengthen Teams’ Overall Creativity

Sep 05, 2008 | User rating: not rated yet
(PhysOrg.com) -- With more employees working in teams, it’s critical for companies to find ways to enable these teams be more creative in their work.

Study: Behavior of Online Reviewers Affects Their Credibility

Sep 05, 2008 | User rating: not rated yet
(PhysOrg.com) -- Consumers increasingly rely on recommendations in online forums, such as Amazon.com and Angieslist.com, when deciding which products and services to buy. But, in most cases, they've never met the posters ...

Dental fillings without gaps

Sep 05, 2008 | User rating: not rated yet
Tooth cavities are usually closed with plastic fillings. However, the initially soft plastic shrinks as it hardens. The tension can cause gaps to appear between the tooth and the filling, encouraging more ...

Tracking the reasons many girls avoid science and math

Sep 05, 2008 | User rating: not rated yet
Most parents and many teachers believe that if middle-school and high-school girls show no interest in science or math, there's little anyone can do about it. New research by a team that includes vocational ...