What If
What if you never aged? What if dinosaurs were alive today? Explore the hypothetical with these and more 'what if' scenarios.
Learn More / Page 3
A helium shortage threatens more than just the balloon industry. Way more. Here's what at stake should we run out of this gas - which is a real possibility.
By Chris Opfer & Sascha Bos
What could happen if we poked one of these sleeping giants? There are two scenarios. One is good. One is very, very bad.
By Chris Opfer
Welcome to Yellowstone, a natural wonderland that's home to stunning vistas, vibrant plant and animal life ... and a massive and potentially devastating supervolcano.
By Chris Opfer
Advertisement
Your vacation would be ruined, and that's not all.
By Chris Opfer
Sans gravity, would we all just bounce up and down like astronauts on the moon? No. It would look a little more like a Michael Bay movie.
By Chris Opfer
Our planet's path around the sun defines life on Earth. What would happen if it changed?
By Chris Opfer
Climate change and industrial activity are wiping out large sections of the world's largest rainforest.
By Chris Opfer
Advertisement
In the classic film "Cool Hand Luke," the title character gulps down 50 hard-boiled eggs in less than an hour. Is this a trick you can (or should) try at home?
By Debra Ronca
Each year, approximately 4,000 people go to the emergency room for injuries caused by accidents involving electrical outlets. While this number seems high, even more people never make it to the hospital. They die.