Many plants adjust their growth according to the direction of light, a response called phototropism.
Light-sensitive proteins help trigger changes in the distribution of growth hormones within the plant. Cells on one side of a young stem can...
A cat's whiskers are deeply embedded and connected to sensory structures that detect very small movements and changes around them.
They can provide information while a cat navigates tight spaces, approaches objects, or moves in low-light...
Plants may appear stationary, but many continuously adjust the position of their leaves and stems.
Some movements follow the direction of light, while others are linked to internal day-night rhythms. Certain plants noticeably raise, lower, fold...
Dogs have a highly developed olfactory system that allows them to gather enormous amounts of information through scent.
During a walk, stopping to sniff isn't simply a delay between destinations. Smells can provide information about other...