Cucumbers are more than 95% water.

Ladybugs flash their bright colors to warn birds that they taste bad.

Some parrots can live for more than 60 years.

A day on Mars is only a little longer than a day on Earth.

Humans share their birthday with millions of other people around the world.

Mount Everest is the tallest mountain above sea level.

Scientists learn about dinosaurs by studying fossils — bones and footprints turned to stone.