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The Mysterious Mathematical Principle That Links Bus Systems and Chicken Eyes
Universality strikes a balance between order and randomness.
NATURE
The City That Never Seeps: The Underground History of Manhattan's Lost Minetta Brook
It's hard to imagine now, but New York City's Greenwich Village was once farmland. And the Minetta Brook ran right through it.
Scientists Have Figured Out Why Marimo Balls Only Float During the Day
Algae have circadian rhythms, too.
8 Seemingly Harmless Plants That Can Kill or Maim You
Coming in contact with one of them feels like “being burnt with hot acid and electrocuted at the same time.”
50 Collective Nouns for Groups of Animals
What's the correct way to describe a group of your favorite animal? A "bunch of worms" may sound like a lazy descriptor, but it's correct.
Northern U.S. States Might Get a Glimpse of the Aurora Borealis Tonight
Look up, Minnesota!
Air Quality in American National Parks and Big Cities Is Roughly the Same
And that's not necessarily a bad thing.
How a Hairdresser Found a Way to Fight Oil Spills With Hair Clippings
Hair booms sop up oil in a way that's gentle on the environment.
Fisherman Catches Rare 'Cotton Candy' Lobster, Donates It to Aquarium
It's a one in 100 million crustacean.
Norway's New Hotel in the Arctic Circle Will Produce More Energy Than It Uses
When it opens in 2021, Svart will be the world's first 'energy-positive' hotel.
25 Fascinating Facts About Bobcats
This wild North American cat thrives in regions from Canada to Mexico. And yes, their offspring are called bobkittens.
How London's Trees Are Fighting Climate Change
The more trees, the merrier.
These Sparrows Have Been Singing the Same Songs for 1500 Years
Talk about a one-hit wonder.
This Plant Can Burn Your Skin With Its Sap—And It May Be Coming to Your Neighborhood
It's now found in 11 states.
Nuns in Mexico Are Keeping a Sacred Salamander From Going Extinct
The axolotl has an unlikely ally.
Yellowstone's Steamboat Geyser Keeps Erupting, and Scientists Aren't Sure Why
In March, it erupted for the first time since 2014—and has erupted six more times since.
11 Facts About Tiger Sharks
One of them was a player in Australia’s greatest unsolved murder mystery.
Which is the Largest National Park in the World?
The answer's not as straightforward as you might expect.
A New Jersey Real Estate Sign Lost in Hurricane Sandy Just Washed Ashore in France
It may have crossed the Atlantic multiple times.
Chefs Launch World's Highest Pop-Up Restaurant at Mt. Everest Base Camp
Hopefully it's worth the eight-day trek.
Watch a Tree Release a Massive "Pollen Bomb" Into the Air
Our eyes are itching just looking at it.
Step Inside This Stunning, Nature-Inspired Art Gallery in Tulum, Mexico
The building is propped up on stilts, letting guests peer over the forest canopy.
Swim With a Pineapple Under the Sea at America's First Museum for Scuba Divers
Swim with turtles and snap selfies with sculptures at this diving spot off the coast of Florida.
What Makes Tumbleweeds Tumble?
They didn't get that name by accident.