Monday, 22 February 2010 16:41

• The blue whale can produce sounds up to 188 decibels. This is the loudest sound produced by a living animal and has been detected as far away as 530 miles.

• The human jaw muscles can generate a force of 200 pounds on the molars.

• It takes approximately 12 hours for food to entirely digest.

• An inch of rainwater is equivalent to 15 inches of dry, powdery snow.

• The longest living cells in the body are brain cells which can live an entire lifetime.

• The greatest tide change on earth occurs in the Bay of Fundy. The difference between low tide and high tide can be as great as 54 ft. 6 in.

• Velcro was invented by a Swiss who was inspired by the way burrs attach to clothing.

• It takes 70% less energy to produce a ton of paper from recycled paper than from trees.

• It is energy-efficient to turn off a fluorescent light only if it will be off for an hour or more. This is because of the high voltage needed to turn it on, and the shortened life this high voltage causes.

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