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What's the Difference Between Manta Rays and Stingrays?
animals.howstuffworks.com/marine-life/difference-between-manta-rays-stingrays.htm
These two sea creatures can be easy to confuse. But they're actually quite different. We talked to experts to find out how to tell them apart.
The Blue-footed Booby Dance Gets the Girl Every Time
animals.howstuffworks.com/birds/blue-footed-booby.htm
The blue-footed booby is known as much for its comical mating dance as for its intensely colored blue feet.
We Need to Stop Believing These Five Tech Myths
HowStuffWorks looks at five still-popular tech myths, like charging your phone overnight is bad and the best camera has the most megapixels.
How Onesimus, a Slave in Colonial Boston, Helped Stop a Smallpox Epidemic
Onesimus, a slave in Boston, taught the process known as variolation. HowStuffWorks looks at how he saved countless lives.
Opossums: So Darn Ugly They're Adorable
animals.howstuffworks.com/mammals/opossums-so-darn-ugly-theyre-adorable.htm
Opossums are some of the most misunderstood animals. HowStuffWorks looks at some cool opossum facts.
Why Is Blackface Controversial? Just Look at Its History
history.howstuffworks.com/historical-events/why-is-blackface-controversial-look-at-history.htm
Blackface, the old practice of using makeup to transform into a caricature of a black person, is still around. Learn about the history of blackface.
Save vs. Splurge: Pacific or Atlantic Salmon (farmed vs. wild)
recipes.howstuffworks.com/pacific-or-atlantic-salmon.htm
Should you buy Pacific or Atlantic salmon? Farmed or wild salmon? Check out this article and learn which type of salmon you should buy and why.
Female Citizen Scientists Set Sail to Tackle Ocean Plastic
science.howstuffworks.com/environmental/earth/oceanography/female-citizen-scientists-exxpedition.htm
EXXpedition founder Emily Penn will captain the 300, all-female crew in its first Round the World sailing voyage.
How to Clean Grout
Cleaning grout may not be your favorite pastime, but doing it right can make it a not-quite-so-unpleasant task. Here's how.
Who Rides Passenger Trains in the U.S. These Days?
science.howstuffworks.com/transport/engines-equipment/who-rides-u.s.-passenger-trains-these-days.htm
In 2015, the U.S. population numbered 320 million, but less than 10 percent of those people rode the rails. So who does?