In 1955 she took part in an underwater A-Bomb test Operation Wigwam.
Can you swim underwater?
He was underwater for three minutes.
A duck’s heartbeat slows by 50% when it dives underwater.
A gray whale can remain underwater for up to fifteen minutes.
A dolphin’s hearing is so good that it can detect underwater sounds from 15 miles away.
A dolphin’s hearing is so acute that it can hear underwater sounds from up to 15 miles away.
The surface of the ocean often looks very rough, but once you go underwater it is quite calm.
Crocodiles sometimes swallow stones to help in digestion and add weight so that they can stay underwater.
The island nation of Samoa has a number of first-class diving spots if you want to do some underwater sports.
The giant kelp that creates underwater forests in the ocean belongs to the large group of plants called algae.
British Columbia’s giant underwater seaweed forests comprise ecosystems which are more diverse than rainforests.
The island nation of Samoa has a number of first-class diving spots if you’re to keen do some underwater sports.
There is a kind of bird which can plunge as deep as 90 feet, and can stay underwater for as long as three minutes as it searches for food.