| When ants find food, they lay down a chemical trail, called a pheromone, so that other ants can find their way from the nest to the food source |
| A perfectly clean fire produces almost no smoke. Smoke simply means that a fire is not burning properly and that bits of unburned material are escaping |
| A whip makes a cracking sound because its tip moves faster than the speed of sound |
| Twenty-Four-Karat Gold is not pure gold; there is a small amount of copper in it. Absolutely pure gold is so soft that it can be molded with the hands |
| According to Newton's Law of Motion, when a car going 60 miles per hour in one direction gets hit by a mosquito going one mile per hour in the opposite direction, the car will slow down one-millionth of a mile per hour |
| Twenty-Four-Karat Gold is not pure gold; there is a small amount of copper in it. Absolutely pure gold is so soft that it can be molded with the hands |
| According to Newton's Law of Motion, when a car going 60 miles per hour in one direction gets hit by a mosquito going one mile per hour in the opposite direction, the car will slow down one-millionth of a mile per hour |
| Every person has a unique tongue print |
| Research indicates that mosquitoes are attracted to people who have recently eaten bananas |
| The earth, carrying us, is constantly hutling through space at a speed of more than 660,000 miles per hour |