What Do Earthworms Eat?
What Do Earthworms Eat? Earthworms eat bits of leaves and decaying plant matter in the soil. An earthworm actually eats its way right through the ground, so it makes a...
Read More
Why Do You Sweat?
Why Do You Sweat? Sweating is a natural biological process that starts soon after you are born. It is one of the ways your body has to cool off when you become too...
Read More
Why Do Some Bears Sleep All Winter?
Why Do Some Bears Sleep All Winter? Many bears sleep through the coldest days of winter because they cannot find enough food. As the weather gets colder, a bear needs...
Read More
Why Do Horses Wear Shoes?
Why Do Horses Wear Shoes? A horse is shod with horseshoes to protect its feet from injury and wear. A horse’s shoe is a metal plate that fits around the outer...
Read More
What Is Fog?
Fog is a cloud that forms near the ground. Fog appears when the cold ground chills a warm breeze. The sudden cooling causes the moisture in the air to condense, or form...
Read More
How Does a Spider Eat?
How Does a Spider Eat? A spider does not have chewing mouth parts. It eats by sucking the body fluids of its victims. Spiders have filters that keep out solid food so...
Read More
How Is Caffeine Removed from Coffee?
How Is Caffeine Removed from Coffee? In order to remove the caffeine from coffee beans, the beans are washed in a liquid capable of dissolving substances, transferring...
Read More
When Were Postage Stamps First Used?
When Were Postage Stamps First Used? The first postage stamps for general use were issued in Great Britain in 1840. Before this time, people brought their letters to...
Read More
Why Do Lemmings Go on a Death March to the Sea?
Why Do Lemmings Go on a Death March to the Sea? According to legend, every three or four years, the lemmings of Norway march to the sea and drown themselves. These...
Read More
Why Do Drops of Moisture Form on a Cold Glass?
Why Do Drops of Moisture Form on a Cold Glass? The beads of moisture that form on a glass of ice-cold water on a warm day have nothing to do with the liquid inside the...
Read More