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THE KNOWLEDGE FEED

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Scientists Say These (Mostly Wild) Mammals Make the Best Pets

Shaunacy Ferro

If you're trying to choose between a ferret and a hedgehog, go ferret.

8 (Mostly) Caffeine-Free Habits to Energize You in the Morning

Presented by Allstate.

How 18th- and 19th-Century Babies Contributed to Science

Kate Horowitz

Researchers say the bodies of infants and fetuses were a ‘prized source of knowledge’ for British anatomists.

Mathematicians Have Developed an Equation for the Perfect Climbing Rope

Anna Green

The theoretical cord wouldn't just break a climber's fall—it would also brake it.

Watch a Powerful Electromagnet Shrink a Quarter to Half Its Size

Michele Debczak

Don't try this experiment at home.

Russian Explorer Embarks on a Solo Round-The-World Trip in a Hot Air Balloon

Kirstin Fawcett

Fedor Konyukhov, 64, hopes to set a new Guinness World Record.

A Seattle Man Purchased an Extremely Rare Nintendo 64DD Off Craigslist

Rudie Obias

The 1999 Nintendo add-on was such a failure in Japan that it was never released in U.S. markets. Which makes it even more valuable.

You Can Take an Exclusive Tour of the Russian Space Program for $14,500

Michele Debczak

The price tag includes a look at a live rocket launch.

NASA Launches DNA Sequencer Into Space for the First Time

Andrew LaSane

Now astronauts can test samples in space instead of sending them back to Earth.

9 Things You Can Get for Free on Your Birthday

Kristin Wong

Money-saving experts give us the scoop on birthday freebies worth celebrating.

City Birds May Be More Aggressive Than Rural Birds, Study Finds

Anna Green

Urban birds may also be more territorial and aggressive than their more laid back rural counterparts.

New Zipline Lets Daredevil Tourists Soar Over Niagara Falls

Kirstin Fawcett

See one of the world's most powerful waterfalls up close.

An Award-Winning Homeless Shelter Was Inspired by 10th Century Almshouses

Shaunacy Ferro

The studios will provide housing for 59 formerly homeless Londoners.

12 Spine-Tingling Facts About 'Tales From the Crypt'

Jake Rossen

The Crypt Keeper once hosted a game show.

Sinus Problems? Inhaling Steam May Not Help

Kate Horowitz

A clinical study found that sinus rinses beat steam inhalation for alleviating the symptoms of chronic sinus infections.

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