Many times, they won't dive any deeper than 10 feet (3 meters) in search of food. They can't breathe underwater but can hold their breath for an average of two to four minutes. Eating takes up a bulk of their time, as manatees consume 10 percent of their body weight in sea ...
A scientist explains the “mammalian dive response,” our body’s evolutionary ability to dive deep on a single breath.
Blippi learns how to underwater scuba dive: Directed by Chuck Stream. With Clayton Grimm. Blippi Learns how to underwater scuba dive.
When human beings dive underwater, the pressure that we feel comes from the air in our bodies being compressed. We have air in our ears and sinuses, as well as our lungs and blood vessels. Water pressure can be intense, causing that air to compress within those organ systems and tissues....
Underwater robots are expensive. They often move slowly, and they can't go everywhere. The scientists thought of a different plan. They asked sea lions to help take videos. The sea lions can go to many places of the sea floor quickly, and dive to places humans can't reach. The ...
To benefit the most from your limited time underwater, it helps if you both know the dive site and the kind of marine animals you expect to see. Discuss the shots you want to take in advance. I find it useful to have similar images on my iPad or smartphone, which I can show my mo...
fish or krill that reside deep under water, so this species of penguin can hold its breath for up to 20 minutes. Emperor penguins are also known to dive up to 1,800 feet to find their prey. Another species, the Gentoo, is known to dive up to 500 feet. Unlike seals, penguins are ...
bulletin of concerned asian scholars review: an underwater national park at bikini, or how i learned to scuba dive and stop worrying about the atomic bombdoi:10.1163/2468-1733_shafr_sim140150029Richard H Minear
The Scottish Government and Scottish Green Party have pledged to designate 10 percent of the country’s seas as Highly Protected Marine Areas, offering depleted ecosystems a chance to bounce back. It's a complicated task.
Eighteen days after Yolanda, the divemasters tested the waters. As they climbed down into the deep blue, they had one question: would the sharks still be there? Their relief to find the threshers spread through the community; all 4,000 of Malapascua’s residents, from the fishermen...