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Computing

Concerns about drones, how to hunt exoplanets and more reader feedback

Readers discuss the potential impacts of human-made fliers and muse about the advantages a poker-playing computer program has over human opponents.

Cosmology

In era of collaboration, individual initiative can still pay off

A risky venture to study cosmic ray particles offers no guarantee of success, but it may help answer two of the biggest questions in physics.

Health & Medicine

Teens have higher anaphylaxis risk than younger kids

Adolescents may be more apt to experience an extreme allergic reaction than younger children, researchers report.

Neuroscience

Electrical zap of cells shapes growing brains

The electric charge across cell membranes directs many aspects of brain development, and changing it can fix certain brain birth defects.