
GPS Is Easy to Hack, and the U.S. Has No Backup
At risk are airliners, electric grids, stock markets and other systems that rely on GPS to time their operations
Paul Tullis is a journalist in Amsterdam who writes about the intersections of science, technology and business. He wrote our article about how rising numbers of tourists are ruining the Galápagos Islands.

GPS Is Easy to Hack, and the U.S. Has No Backup
At risk are airliners, electric grids, stock markets and other systems that rely on GPS to time their operations

Despite Many Threats, Some Coral Reefs Are Thriving
Learning the secrets of these survivors could help scientists rehabilitate other reefs as well

The Man Who Can Map the Chemicals All Over Your Body
Scientist uses mass spectrometry to eavesdrop on the molecular conversations between microbes and their world

Tourists Could Soon Overrun the Galápagos, Killing Its Famous Biodiversity
A relentless rise in visitors could ruin the famous biodiversity hotspot in only a few years

Preschool Tests Take Time Away from Play--and Learning
The trend in early education is to move from a play-based curriculum to a more school-like environment of directed learning. But is earlier better? And better at what?