It's possible to pick up radio signals on the fillings of your teeth! You can't do it on command, though. People who pick up (1) __________ on their fillings can't usually pinpoint why. A radio frequency rectification joint (two pieces of metal in contact with each other) must occur. This doesn't (2) ___________ often.

Flying squirrels cannot fly, but they can perform some amazing feats of gliding. Loose folds of skin on each side of the squirrel's body serve as (3) _________. The flying squirrel can (4) ________ as far as 150 feet or more.

Flying squirrels cannot fly, but they can perform some amazing feats of gliding. Loose folds of skin on each side of the squirrel's body serve as (3) _________. The flying squirrel can (4) ________ as far as 150 feet or more.

Tired of the same old (5) ________? You might try an ostrich egg. Just allow plenty of time for the water to boil: at least a half hour. Also, be sure to invite friends over to help you (6) _________ it. The egg weighs three pounds!

Tired of the same old (5) ________? You might try an ostrich egg. Just allow plenty of time for the water to boil: at least a half hour. Also, be sure to invite friends over to help you (6) _________ it. The egg weighs three pounds!

Southeast of Japan is a stretch of water that the Japanese know as the Devil's Sea. Between 1950 and 1954 nine large freighters (7) __________ in this area without a (8) __________. A vessel sent out to search the area vanished also, complete with crew and scientists!

Southeast of Japan is a stretch of water that the Japanese know as the Devil's Sea. Between 1950 and 1954 nine large freighters (7) __________ in this area without a (8) __________. A vessel sent out to search the area vanished also, complete with crew and scientists!

What happens to paper money that becomes worn? It is burned in the twelve Federal Reserve banks throughout the Unites States. More than $5,000,000 in badly (9) _______ bills is burned in these (10) ________ each day. It takes almost five hours to burn $1,000,000!

What happens to paper money that becomes worn? It is burned in the twelve Federal Reserve banks throughout the Unites States. More than $5,000,000 in badly (9) _______ bills is burned in these (10) ________ each day. It takes almost five hours to burn $1,000,000!

Groups of animals are often given (11) _________ that describe their behavior in some way. Bats and moles are called insectivores, which comes from two Latin words that mean "insect eating." Lions and wolves are called carnivore, a word that means "meat (12) _________."

Groups of animals are often given (11) _________ that describe their behavior in some way. Bats and moles are called insectivores, which comes from two Latin words that mean "insect eating." Lions and wolves are called carnivore, a word that means "meat (12) _________."