Sustainable Energy

Have Global CO2 Emissions Peaked?

New estimates suggest that worldwide emissions dropped slightly from 2014 to 2015.

• by Mike Orcutt

Rewriting Life

When Biology Meets Ideology

A new book reopens a notorious case of bungled science in the Soviet Union.

• by Maggie Koerth-Baker

Business Impact

What Role Should Silicon Valley Play in Fighting Terrorism?

Politicians are trying to recruit technology companies to help fight ISIS. Does it make sense?

• by Fred Kaplan

Intelligent Machines

Robot Art Raises Questions about Human Creativity

What is the potential of machine art, and can it truly be described as creative or imaginative?

• by Martin Gayford

Artificial Intelligence

Will Machines Eliminate Us?

People who worry that we’re on course to invent dangerously intelligent machines are misunderstanding the state of computer science.

• by Will Knight

Intelligent Machines

29 Years Ago: How Technology Makes Us Obnoxious

A writer fretted that gadgets were leading to self-centered and rude behavior—decades before the smartphone.