neuroscience

COVID-19 has renewed interest in a key way humans perceive the world. A reporter who hasn't been able to tell the scent of a rose from a sweaty gym shoe for decades takes heart in the latest science.

Researchers say certain brain cancers tap electrical signals from healthy cells to fuel their growth. The finding could lead to treatments for deadly tumors like the one that killed Sen. John McCain.

Researchers are using brain scans, blood and spinal fluid to detect early signs of Alzheimer's disease. These "biomarkers" may also offer a quicker way to test new Alzheimer's drugs.

Growing up, Judith Grisel struggled with alcohol, marijuana and cocaine. Now as a neuroscientist, she's working to understand the biological basis of addiction. Her new book is Never Enough.

Researchers say the metabolism of a woman's brain remains higher than a man's throughout a lifetime. And that may help with late-life creativity and learning.