Pearls

Pearls


It takes 5 years for an oyster to produce a medium-sized pearl.


share Share

Freshwater pearls can take between 1 and 6 years to form; whereas saltwater may take between 5 and 20 years. The longer a pearl stays in the shell, the more nacre that forms, and the larger the pearl.


Amazing Ears

Elephants use their ears to regulate their body temperature.

Read More
Horses and Sleep

Horses can sleep standing up.

Read More
Crocodile Tears

Crocodiles really do produce tears.

Read More
Hippopotamuses

Hippopotamuses are born underwater.

Read More