When the cells are ready, they start moving toward the top of your epidermis. This trip takes about 2 weeks to a month. As newer cells continue to move up, older cells near the top die and rise to the surface of your skin. What you see on your hands (and everywhere else on your body) are really dead skin cells.
Even More Fun Facts: 1  Because Ladybugs eat lots of aphids and other pest insects, many gardeners and farmers use them for pest control instead of chemicals. 2  A Ladybug can lay up to 1000 eggs in its lifetime. 3  Not all Ladybugs have spots.  Ladybugs will clean themselves after a meal.
What do ladybugs eat other than aphids? Predatory ladybugs eat mites, thrips, fruit flies and scale insects in addition to aphids. Plant-eating species feed on the leaves of corn, potatoes and grains, but are not considered major crop pests.