TIL: These Birds Trick Others Into Raising Their Gigantic Kids | Today I Learned

TIL: Why Do These Monkeys Have Big, Colorful Butts? | Today I Learned

TIL: These Spiny Sea Creatures Can Regrow Lost Body Parts | Today I Learned

TIL: Almost 40 Percent of New Yorkers Are Immigrants | Today I Learned

TIL: Wild Lions Live in India | Today I Learned

TIL: How to Play Matchmaker for Beautiful, Endangered Birds | Today I Learned

TIL: This Volcano Has Erupted Almost Every Hour For 94 Years | Today I Learned

TIL: King Cobras Are Cannibals | Today I Learned

TIL: How Cookiecutter Sharks Eat Is Terrifying (Explained With Cookies) | Today I Learned

TIL: Whale Poop Freshens Our Air | Today I Learned

TIL: How to Transform Mars into Our Second Home | Today I Learned

TIL: Why Mars's Ocean Disappeared | Today I Learned

TIL: We Could Give Mars Our "Cooties" | Today I Learned

TIL: Choosing a Mars Landing Spot is Harder Than You Think | Today I Learned

TIL: Life Could Exist on Mars Thanks to Methane | Today I Learned

TIL: Hummingbirds Are the World's Hungriest Birds | Today I Learned

TIL: Lionfish Jewelry Can Help Save the Ocean | Today I Learned

TIL: The B in BASE Jump Doesn't Stand for Badass (Amazing Footage) | Today I Learned

TIL: Bees Could Help Save Elephants—By Scaring Them | Today I Learned

TIL: Female Lions Synchronize Their “Periods” | Today I Learned

TIL: Orangutans Build Comfy Nests to Sleep in | Today I Learned

TIL: A Venomous Animal May Save Your Life | Today I Learned

TIL: Cairo’s “Garbage People” Farm Their City's Trash | Today I Learned

TIL: A Bumblebee's Buzz Is Basically a Superpower | Today I Learned

TIL: You Can Smell Through Your Skin | Today I Learned

TIL: There's Probably a Raccoon Living on Every City Block in North America | Today I Learned

TIL: Mount St. Helens Has a Baby Volcano Inside It | Today I Learned

TIL: Cicadas Can Damage Your Hearing | Today I Learned

TIL: Why Do These Birds Eat Dirt? | Today I Learned

TIL: 20% of Our Oxygen Comes From a Bacteria | Today I Learned

TIL: Female Lions Are Attracted to Black Manes | Today I Learned

TIL: We Waste One-Third of Food Worldwide | Today I Learned

TIL: Dinosaurs May Have Danced Like Birds | Today I Learned

TIL: Why Your Brain is Wrinkly | Today I Learned

TIL: This Wasp Turns Prey Into Zombies | Today I Learned

TIL: Archaeologists Are Coming for Your Trash | Today I Learned

TIL: You Might Be Related to Genghis Khan | Today I Learned

TIL: How Chameleons Change Color | Today I Learned

TIL: Vultures Have to Eat Animals Butt-First | Today I Learned

TIL: We Have Lost 50% of Wildlife Since 1970 | Today I Learned

TIL: Some Sharks Can Glow In The Dark | Today I Learned

TIL: Nuclear Waste Could Power the World for 72 Years | Today I Learned

TIL: These White Sand Beaches Aren’t What You Think | Today I Learned

TIL: If You Like Tequila, You Should Love Bats. Here’s Why. | Today I Learned

TIL: That's No Moon. It's Aliens. (Maybe.) | Today I Learned

TIL: The World’s Largest Migration Isn’t What You Think | Today I Learned

TIL: From Fleece Jackets to Your Food: The Scary Journey of Microplastics | Today I Learned

TIL: Why Is the Ocean Salty? | Today I Learned