After rain comes down, the sun comes out and dries the puddles. But the water isn't gone. The heat from the sun has turned it into water vapor-it has evaporated. Eventually, this moisture in the air condenses to form new clouds. Soon the rain will fall ag
Winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science SeriesA tadpole is a baby frog!Female frogs lay masses of jelly-coated eggs in the water, but what hatches from each egg isn't
The beginning of winter is marked by the solstice, the shortest day of the year. Long ago, people grew afraid when each day had fewer hours of sunshine than the day before. Over time, they realized that one day each year the sun started moving toward them
Crawling through the dirt, worms are hard at work, helping plants to grow. Worms help the fruit and vegetables we eat by loosening the soil and feeding the plants. Read and find out about these wiggling wonders!
