A beaver dam can look surprisingly simple: branches, mud, stones, leaves, and pieces of vegetation arranged across moving water. Yet that structure can alter the physical behavior of an entire …
A chambered nautilus drifting along a deep reef slope carries one of the most distinctive buoyancy systems in the ocean. Nautilus buoyancy control depends partly on the animal’s coiled external …
A wood stork walking through a shallow marsh may look as though it is simply probing the water. In reality, it is using one of the most specialized feeding techniques …
Starting your garden weeks before outdoor conditions cooperate is one of the biggest advantages of growing from seed. With the right setup, starting seeds indoors grow lights can produce compact, …
Every February, the groundhog becomes famous for supposedly predicting how much winter remains. Its real winter ability is far more remarkable. Groundhog true hibernation involves a profound, controlled reduction in …
Pangolins look almost as if nature covered a small mammal in pinecone-like armor. Their unusual appearance comes from overlapping keratin scales, and the pangolin scale defense becomes especially impressive when …
A turtle resting beneath the surface of a river or frozen pond may look completely cut off from the air. Yet some species possess remarkable ways of exchanging gases with …
One of the easiest ways to struggle with an indoor orchid is to treat it like an ordinary houseplant. For many commonly grown orchids, especially Phalaenopsis, the roots are adapted …
A finished weaver bird nest can look almost too precise to have been made with a beak and two feet. Yet weaver bird nest building is a remarkable combination of …
On a dark African night, a dung beetle can climb onto a freshly made ball of dung, perform a brief orientation dance, tip forward, and begin rolling backward across the …