Have you ever wondered how hot your water has to be before it boils? Or if adding salt really helps it boil faster? Here’s what you need to know.
Author: Anna Kaufman, USA TODAY
What are clouds made of? How do clouds form? The 10 major types explained.
Is your weather app predicting clouds? Here’s a list of the 10 main types and what they mean.
Why is yawning contagious? Here’s all the facts about your tired tick.
Wondering why you always yawn when other people do? Catch your dog yawning at the same time? Find out why the tired reflex is so contagious.
How do you text 911? Everything you need to know about sending an emergency text.
Need to call 911 but can’t talk? You might be able to text a call center instead. Here’s what happens when you text 911.