Feature

Environment

The list of diseases linked to air pollution is growing

Air pollution levels have come down since the 1970s, but smog is being linked with a growing list of diseases, including dementia, obesity, diabetes and even Parkinson’s.

Artificial Intelligence

Machines are getting schooled on fairness

Machine-learning programs are introducing biases that may harm job seekers, loan applicants and more.

Neuroscience

Learning takes brain acrobatics

Brains that learn best seem able to reconfigure themselves on the fly, a new line of research suggests.

Psychology

Teaching methods go from lab to classroom

Cognitive researchers are finding ways to help young students to hold on to all the knowledge and skills they need to succeed in school.