Leftover pizza is practically a staple in college dorms and bachelor pads, but is it safe to eat at room temperature?
by Dave Roos
When Car Sharing and Pets Converge
We live in a sharing economy. And a pet-loving economy. So what happens when the two worlds collide?
Why Do Mass Shootings Keep Happening in U.S. Schools?
Is there something about American suburban high school culture that makes it fertile ground for school shootings? One researcher says 'yes.'
State-funded Funerals: What Happens to the Unclaimed Dead?
Cities have protocols for making sure everyone — even the nameless — has an eternal resting place.
The Farthest Pictures from Earth Ever Taken
New Horizons takes photo from 3.79 billion miles (6.12 billion kilometers) away from Earth.
What if there were no sharks?
Can electric eels kill you?
How good is an elephant's memory?
Do feral cats spread disease?
10 Amazing Things Dogs Can Sense
Did a Russian lake flash-freeze a herd of horses?
5 Luxury Services That Cost Nothing in the Wild
How Pompeii Worked
Can drones be used for search and rescue?
How the NRA Works
What's happening when you get a second wind?
How Human Rewilding Works
How 'Schoolhouse Rock!' Works
Did Disney blacklist the voice actress for Snow White?
What's the most dangerous job at the circus?
10 Outrageous Cartoon Moments That Use Real Physics
Why don't all TV networks stream their shows online?
10 Movies That Were Supposedly Cursed
How Umami Works
How many people does one farmer feed in a year?
Can you buy deli meat without preservatives?
Is grass-fed beef better for you?
10 Most Overlooked Food Safety Guidelines
Why do processed meats spoil so quickly?
10 Reasons Your Business Should Have a Website
10 Pitfalls to Avoid in Your Online Business
Is it worth it to donate your used car to charity?
Is there an app to monitor your IRS refund status?
What are the advantages of e-filing your tax return?
How Itemized Deductions Work
Did we evolve to be superstitious?
How Code Switching Works
Is it rude to point out someone else's rudeness?
Was Isaac Newton really hit in the head with an apple?
Where did the idea of 'the willies' come from?
10 20th-Century Staples We Never Thought Would Die
Should people who use wearables be paid for their data?
What is doxxing?
Do video games really improve hand-eye coordination?
What is deep linking?
How Project Morpheus Works
Can you power your music player with your running shoes?
10 Black Scientists You Should Know
How Competitive Figure Skating Works
What's the difference between a semi-automatic weapon and a machine gun?
10 of History's Happiest Accidents
5 Things You Didn't Know About Mister Rogers
How Bobsledding Works
Could Human Waste Feed Astronauts?
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