To save giant sequoia trees, maybe it's time to plant backups

Last month, unusually high winds knocked down 15 giant sequoias in Yosemite. If you haven't had a chance to see them in person, giant sequoias are big—like, warp-your-sense-of-scale and melt-your-brain big. Then, once you've ...

A user's guide to self-driving cars

You may remember the cute Google self-driving car. In 2014, the tech giant announced their brand-new prototype of what the future of transportation might one day look like. If you wish you could drive one today, you are out ...

Artificial intelligence must know when to ask for human help

Artificial intelligence systems are powerful tools for businesses and governments to process data and respond to changing situations, whether on the stock market or on a battlefield. But there are still some things AI isn't ...

page 1 from 2