A professor from Florida is going to live 100 days underwater.

Joe Dituri has been in the structure, located at a depth of about seven meters under water, for more than 20 days. He is about to break the Guinness World Record for the longest time spent in an underwater habitat. Now it is 73 days - so many other American scientists have lived in an underwater house. The researcher hopes that his experience will help make new scientific discoveries, including studying the effect of underwater conditions on his own body.