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States of suspended animation are common in micro-organisms and some plant tissue, such as seeds. Many animals, including large ones, may undergo hibernation, and most plants have periods of dormancy. This article focuses primarily on the potential of large animals, especially humans, to undergo suspended animation.
Samuel Tisherman, a professor at the University of Maryland School of Medicine, is the leader of a team that has successfully put a human being in suspended animation. Describing the successful operation as "a little surreal," Professor Tisherman in November 2019 told how he removed the patient's blood and replaced with ice-cold saline solution.
Suspended animation in fiction refers to the temporary cessation of life processes experienced by fictional characters, followed by their subsequent revival. This process is commonly employed as a plot device in science fiction narratives.
Cryonics (from Greek: κρύος kryos, meaning "cold") is the low-temperature freezing (usually at −196 °C or −320.8 °F or 77.1 K) and storage of human remains in the hope that resurrection may be possible in the future. [1] [2] Cryonics is regarded with skepticism by the mainstream scientific community.
The most common role of sleeper ships in fiction is for interstellar or intergalactic travel, usually at sub-light speed.Travel times for such journeys could reach into the hundreds or thousands of years, making some form of life extension, such as suspended animation, necessary for the original crew to live to see their destination.
Roth spoke at the 2010 TED conference in February on using hydrogen sulfide to achieve suspended animation in humans as a means of increasing the success rate of cardiac surgery. [ 8 ] [ 9 ] The clinical trials commissioned by the company he founded, Ikaria, were however withdrawn or terminated by August 2011.
The financial markets are in a state of suspended animation pending resolution of the NAFTA and China trade negotiations and Trump’s meeting with Kim Jong-un to denuclearize the Korean peninsula.
Profound hypothermia (< 14 °C) usually isn't used clinically. It is a subject of research in animals and human clinical trials. As of 2012, the lowest body temperature ever survived by a human being was 9 °C (48 °F) as part of a hypothermic circulatory arrest experiment to treat cancer in 1957.