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 ...

Genetics

First step toward CRISPR cure of Lou Gehrig's disease

University of California, Berkeley scientists have for the first time used CRISPR-Cas9 gene editing to disable a defective gene that causes amyotrophic lateral sclerosis, or Lou Gehrig's disease, in mice, extending their ...

Neuroscience

Paralyzed mice with spinal cord injury made to walk again

Most people with spinal cord injury are paralyzed from the injury site down, even when the cord isn't completely severed. Why don't the spared portions of the spinal cord keep working? Researchers at Boston Children's Hospital ...

Autism spectrum disorders

In autism, too many brain connections may be at root of condition

A defective gene linked to autism influences how neurons connect and communicate with each other in the brain, according to a study from Washington University School of Medicine in St. Louis. Rodents that lack the gene form ...

Neuroscience

Brain has natural noise-cancelling circuit

To ensure that a mouse hears the sounds of an approaching cat better than it hears the sounds its own footsteps make, the mouse's brain has a built-in noise-cancelling circuit.

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