Wallpaper Wednesdays: Looking Up
Trees lose their leaves in the winter to help them save energy.
- Multimedia
Trees lose their leaves in the winter to help them save energy.
Freshen up your home screen with our one-of-a-kind wallpaper featuring leafless trees in a forest.
In winter, trees produce a hormone that weakens the layer of cells connecting leaves to branches. Wind blows the leaves away once the connection is weak enough. Without leaves, trees conserve energy.