Crabs have very small hairs on their claws and other parts of their body to help detect water currents and vibrations. | Canada beat Denmark 47-0 at the 1949 world hockey championships. new. | Families who do turn off the television during meals tend to eat healthier. This was regardless of family income, or education. | A scorpion can have up to 12 eyes. | A mile on the ocean and a mile on land are not the same distance.