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Nest Learning Thermostat Third Generation

Nest is still our choice for best overall smart thermostat, but it isn't massively different from the second-gen model and the gap is narrowing as other brands introduce solid competitors.

By September 1, 2015

4.5 stars Editors' rating September 1, 2015

Nest Learning Thermostat

The second generation of the energy-saving Nest Learning Thermostat puts this device even further ahead of the (nearly nonexistent) competition.

By October 2, 2012

5 stars Editors' rating October 2, 2012

Will you heart Facebook's new emojis?

The Like button, with its thumbs-up icon, has long been a staple of the world's largest social network. Now Facebook is adding six more symbols to help us express ourselves.

By October 11, 2015


5 life lessons we learned from #PizzaRat

A hero rat seen carrying a large slice of New York pizza down a subway staircase becomes an online sensation and an inspiration to us all.

By September 21, 2015


With El Capitan, Apple's apps and operating system learn a few new tricks

Apple's latest update to OS X, El Capitan, is now available as a free download.

By September 29, 2015


Yes, you need to read your oven manual. Here's why.

Manufacturers have included a multitude of settings and advanced cooking technology in new ovens to make cooking easier. All these enhancements have made your oven manual required reading. Here are seven things you'll learn from your instruction guide.

By September 15, 2015


Guy shocks his own tongue to learn more about electricity

YouTuber Mehdi Sadaghdar shows how the pain caused by electricity varies according to frequency by hooking some electrodes up to his own tongue. No, seriously.

By August 31, 2015


I wore a Ghostbusters suit for a week, and here's what I learned

When you need someone to walk around in a Ghostbusters jumpsuit, who ya gonna call? CNET guinea pig Danny Gallagher, who learned a lot about himself (and heat exhaustion) from the adventure.

By August 14, 2015


Learn the ABCs of Google's Alphabet

Google is now a subsidiary of a new company called Alphabet. Get the facts behind Google's reorganization and learn which projects make up the Alphabet soup.

By August 11, 2015


Learn how to set money on fire without actually burning it

The Bearded Science Guy shows you a cool way to make it look like you're burning cash without violating Title 18, Part 1, Chapter 17, Section 333 of the US Code.

By August 7, 2015