YouTube turns 20 this year! Celebrate the video repository's contribution to internet culture by finding your next viewing obsession among our dozens of recommended picks.

It's also super reliable, with little downtime, So what channels can you watch, what devices support YouTube TV and how does it stack up to competing cable-replacement services? We've put together ...

Ad Meter 2025: Sign up to vote on best commercials "I think the Taylor effect, as many people call it, obviously boosted our audience," Solis says. "We love Taylor. She's a huge icon among that ...

pH is a measure of how acidic or alkaline a solution is. The diagram below shows what happens to an enzyme when denaturation occurs. Each enzyme has an optimum pH but it also has a working range ...