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

20 Cool Facts About the Ice Age

An illustration of a woolly mammoth, blissfully unaware of its species impending doom.

20 Cool Facts About the Ice Age

15 Electrifying Facts About Jellyfish

xijian/iStock via Getty Images

15 Electrifying Facts About Jellyfish

On a Limb: How an Octopus Regrows Its Arms

Octopuses never have to say a farewell to arms for long.

On a Limb: How an Octopus Regrows Its Arms

Why Are Humans Afraid of Bugs?

Who wouldn't be screaming in this situation?

Why Are Humans Afraid of Bugs?

Scientists Put 3D Glasses on Cuttlefish and Find Out They Use Human-Like Depth Perception to Hunt Prey

Trevor Wardill

Need More Penis Fish In Your Life? A California Aquarium Has a Livestream

jkirkhart35, Wikimedia Commons // CC BY 2.0

Why Thousands of 'Penis Fish' Washed Up on a California Beach

Kate Montana, iNaturalist // CC BY-NC 4.0

Journey to the Monarch Mosh Pit

iStock/Spondylolithesis

Scientists Capture Video of Deepstaria, a Rarely Seen, Shapeshifting Jellyfish

OET/NautilusLive

10 Juicy Facts About Leeches

Ian Cook

Honeybees Go "Whoop!" When They Bump Into Each Other

Bees: Waugsberg via Wikimedia Commons // CC BY-SA 3.0 / Thought balloon: Noto Project

Wasps Have the Ability to Use Logic, According to a New Study

iStock.com/Antagain

For the First Time, Scientists Find Jellyfish-Like Animal With ‘Transient’ Anus

SaskiaAcht/iStock.com

The Weird, Disturbing World of Snail Sex

iStock

Hero Crayfish Cheats Death By Removing Its Own Claw to Escape Pot of Boiling Water

iStock

Carnivorous Hammerhead Flatworms Are Invading France

Justine et al, PeerJ, 2018