The Lettered League

Interlocking Gears Found on Common Insect : DNews A common type of planthopper has mechanical gear wheels on its rear legs that allow it to jump with power and speed.

Ever wondered why reds look darker in low light? It's because the light sensitive parts of the eye respond best to blues and greens, rendering humans almost colour blind under moonlight. Also, it has a neat name.

Purkinje effect - Wikipedia, the free encyclopedia The Purkinje effect (sometimes called the Purkinje shift, or dark adaptation and named after the CzechanatomistJan Evangelista Purkyně) is the tendency for the peak luminance sensitivity of the human eye to shift toward the blue end of the color spectrum at low illumination levels.[1][2][page needed...