nature - Trivia, Quizzes, and Brain Teasers | Mental Floss

Tips for Growing a Giant Pumpkin

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Tips for Growing a Giant Pumpkin

Inside the Yellowstone National Park Jail and Justice Center

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Inside the Yellowstone National Park Jail and Justice Center

15 Electrifying Facts About Jellyfish

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15 Electrifying Facts About Jellyfish

7 of the Oldest Animals on Earth

Jonathan, a Seychelles giant tortoise, is 189 years young.

7 of the Oldest Animals on Earth

20 Headline-Making Animals

Laika, the first dog to go to space.

10 of the Scariest-Looking Animals in Existence

Ondrej Prosicky Via Getty Images

A Hefty History of Fat Bear Week

Fat Bear Week is a celebration of nature's biggest bears, like the chunky specimen pictured above.

11 Invasive Species Wreaking Havoc Around the World

The cane toad, one of the world's invasive species.

11 of the Best Leaf-Peeping Destinations in the U.S.

Stowe, Vermont, being incredibly extra.

11 Amazing Wildlife Sanctuaries

Baby elephant being bottle-fed in David Sheldrick Wildlife Trust in Kenya.

Watch This Amazing Timelapse Video of a Spider Building a Web

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Why Do Scorpions Glow Under UV Light? One Scientist Has Some Theories

A bark scorpion giving 'em the old razzle dazzle.

10 Fascinating Facts About Pangolins

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5 Tips for Keeping Your House Pollen-Free

This doesn't have to be you.

The Killer Crocodile That Haunted the Waters of Burundi

Swimmers beware.

Watch Stunning—and Slightly Terrifying—Drone Footage of the World’s Tallest Waterfall

Kerepakupai-Merú, a.k.a. Angel Falls.