Stories by Abdul-Kareem Ahmed

Researchers are focusing on a way to disrupt frightening memories of spiders

Biomarkers detected in athletes’ spinal fluid could reveal the severity of concussions—and hint at potential dementia risk 

A brain-training company's huge data set reveals nuances of learning and intelligence

We shield social security numbers, conceal credit cards and shred sensitive records. Now it's time to think about how closely we guard our genomes