Neuroscience

Casual marijuana use linked to brain abnormalities in students

Young adults who used marijuana only recreationally showed significant abnormalities in two key brain regions that are important in emotion and motivation, scientists report. The study was a collaboration between Northwestern ...

Genetics

A new tool for visualizing DNA, protein sequences

(Medical Xpress)—A group of researchers and students from UConn and Harvard Medical School have developed a new Web program that will help scientists visually analyze DNA and protein sequence patterns faster and more efficiently ...

Medical research

Lessons from the worm: How the elderly can live an active life

When the tiny roundworm C. elegans reaches middle age—at about 2 weeks old—it can't quite move like it did in the bloom of youth. But rather than imposing an exercise regimen to rebuild the worm's body-wall muscles, researchers ...

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