World War I lasted more than four horrific years and took the lives of 8.5 million people. So why did soldiers spontaneously put down their guns and shake hands? And why did they start fighting again?
by Josh Clark
A massive white oak in the hometown of the University of Georgia has many wondering whether a tree can even have legal rights — and about the future of the environmental and animal rights movements.
by Jamie Allen Dec 14 2018
Researchers are studying the chemistry behind what makes cats go crazy for catnip. And whether or not the chemical compound could have medicinal benefits for treating diseases like cancer.
by Michelle Konstantinovsky Dec 14 2018
An inversion of the U.S. Treasury bond yield curve has predicted the last seven U.S. recessions — and it just flipped again.
by Dave Roos Dec 14 2018
Is it its own special type of particle? A wave that's flowing through another medium? Or is there some creepy, unknown substance surrounding us that we simply don't perceive or understand?
by Nathan Chandler Dec 13 2018
The image, which was created by the European Space Agency, shows the blazing hot orb's northern-most region for the very first time. Pretty cool stuff.
by Mark Mancini Dec 13 2018
Who Is BTS and Why Are They Taking Over the Pop Music World?
K-pop phenoms BTS beat out several political figures — and even our own planet — to take first place in Time magazine's 2018 online poll for person of the year. How did they pull it off?
By Alia Hoyt
Tons of Life Found Deep Within Earth's Surface
Could these incredible new organisms provide clues about how life might exist in other areas on Earth — or even on other planets?
By John Donovan
Are poinsettias poisonous?
A High-stepping History of the Rockettes
4 Steps to Safely Ship Holiday Cookies
Why Is It So Hard to Give a Great Gift?
How Christmas Lights Work
Quiz: Time to Get Dirty (Dancing, That Is)
What It's Like Circumnavigating the Globe in a Solar-powered Plane
Who Gets to Be Transhuman?
Protecting Tropical Forests Has Side Benefit: Slowing Climate Change
Does wearable tech really help people sleep better?
Antipodes Map Locates the Opposite of Any Spot on Earth
This Camera Can Read a Book Without Opening It
The U.S. Wild Pig Population Is Exploding
10 Myths About Spiders
Some Salamanders Will Travel Incredible Distances to Mate
HowStuffWorks Illustrated: Forgot to Defrost Your Turkey?
HowStuffWorks: Illustrated: Scutoids! Just Like Spheres and Cubes, But Not
HowStuffWorks Illustrated: Royal Succession
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Ever wonder who thought up the idea of holiday cookie swaps? The idea first came up during World War I, when cookie swaps weren't necessarily tied to Christmas or any other holiday; they were used in bake sales to help raise money.
Explore more in4 Steps to Safely Ship Holiday Cookies