As a senior citizen was driving down the freeway, his car phone rang. Answering, he heard his wife"s voice urgently warning him, "Herman, I just heard on the news that there"s a car going the wrong way on 280. Please be careful!"
"Heck," said Herman, "It"s not just one car. It"s hundreds of them!"
Snails produce a colorless, sticky discharge that forms a protective carpet under them as they travel along. The discharge is so effective that they can crawl along the edge of a razor without cutting themselves.