The surface of any body of water behaves as though it is covered with an invisible skin, which allows small, light-weight insects to walk across it. This skin effect is caused by surface tension. Like molecules are attracted to each other. read more
Humans cannot, under normal circumstances, either walk on water or climb up smooth vertical surfaces. But many animals, such as small lizards, snails, slugs and arthropods, easily clamber up walls or hang from the undersides of smooth leaves. A few, including fishing spiders and water striders, habitually walk on the surface of water. read more
Watching an insect walking on water can help you understand how biology and science interact to create this cool effect. Find a pond or lake and settle in near a woodsy part of the shore. Sooner or later, you will spot an insect walking on the water’s surface. read more