For the U.S., Kerry is to sign the agreement Friday and then President Obama will ratify it before he leaves office in December, a senior U.S. official told CBS News in a conference call this week.
Time Frame. The average dolphin species can stay underwater for as long as eight to 10 minutes; some can remain submerged while holding their breath for 15 minutes. Dolphins breathe through their blowhole, which has a muscular flap that covers it when they go under water, keeping water out of their lungs. Size.
The world record is currently held by the famous magician and illusionist David Blaine. On an average, a person can hold his or her breath underwater for a very short period of time that is approximately between 45 seconds and 75 seconds (or one minute and fifteen seconds). When a person is immersed in cold water, there is a considerable reduction in the duration of time that a person can hold his or her breath underwater for.