Seventeen rats learned that touching copper controls could steer a clear plastic vehicle toward cereal.
A robot lighter than a paperclip stores one burst in a springy leg and steers the hop with wing-like modules.
A seal's middle ear must transmit sound through air and water, two media that load the machinery very differently.
Theo Jansen's beach animals have bones made of yellow tubing and muscles supplied by North Sea wind.
To change how one of Earth's most powerful observatories sees, two yellow machines pick up its hundred-ton antennas and drive.
Camera traps found young male capuchins repeatedly carrying infants taken from another monkey species.
A four-centimeter silicone stingray flexed because ultrasound made bubbles inside its muscles respond.
A mudskipper does not pull an eyelid over the eye; it pulls the eye down into a wet cup.
Two porous pots, wet sand, and moving dry air can keep vegetables cooler without a wire.
Before a beetle carries pollen from one cycad to another, the plants send a timed signal in heat.
The Weird Please editorial desk collects true stories about curious inventions, peculiar history, strange science, and the gloriously unexpected.