Animals
The Secrets of Planarian Regeneration
Discover the biological mechanisms that allow a simple flatworm to achieve near-immortality through whole-body regrowth.
The Complete Field Guide
All Articles
Explore every strange creature, bizarre behavior and unbelievable survival story, starting with the newest discoveries.
216 published articles
Newest first
Weird Biology Explained
Why Parasites Need Multiple Hosts to Party
Explore the strange and strategic reasons behind the multi-stage lives of nature's most successful freeloaders.
Insects
When Insects Hunt Birds: The Reality of Praying Mantis Predation
Discover the unsettling but documented reality of how and why these formidable insects can successfully prey on small birds…
Weird Biology Explained
Awful Parasite Life Cycles We Live With
Learn about the bizarre and horrifying ways parasites like Giardia and Toxoplasma complete their journeys inside and outside the…
Insects
The Diabolical Ironclad Beetle’s Armor
Learn how one of nature's toughest insects is providing a blueprint for creating stronger, more resilient materials.
Extreme Survival Adaptations
Ophiocordyceps Unilateralis Ants Worst Nightmare
Discover the creepy and clever life cycle of the parasitic fungus that turns ants into mindless puppets for its…
Bizarre Animal Behaviors
When Good Proteins Go Bad: The Strange Science of Prion Disease
Discover the strange science behind infectious proteins that cause incurable brain diseases in animals and humans.
Insects
Anatomy of a Wasp’s Lair: The Cicada Killer’s Underground Home
Discover the complete process behind how and why the large cicada killer wasp builds its intricate underground nursery in…
Scientific Discoveries
Do Slugs Feel Pain When Salt Is Poured On Them?
Understand the biological process behind a slug's deadly reaction to salt and why it's a poor choice for your…
Microorganisms
The Parasite That Makes Fish Flash Like Warning Signs
Explore the unsettling science behind the parasite that turns fish into flashing, conspicuous targets for predators.
Insects
The Worm That Can Split Into Pieces and Still Escape
Discover a bizarre sea creature that can regenerate from pieces and hunts with a horrifying, extendable harpoon.
Insects
Why the Diving Bell Spider Is Nature’s Creepiest Scuba Diver
Explore the science behind the only spider that spends its entire life underwater using a bubble as a personal…