Tortoises in the Mojave Desert store up to 1/3 of their body weight in urine. When they need water, the water in their urine flows back into their bodies while the waste remains and expels.

Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.

The wingspan of a Boeing 747 jet is longer than the Wright Brothers' first flight.

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