“ Specimens kept for eight days in a vacuum, transferred for three days into helium gas at room temperature, and then exposed for several hours to a temperature of - 272 ° C (- 458 ° F) came to life again when they were brought to normal room temperature, ” states the Encyclopædia Britannica.
وأفضل مكان يمكن العثور فيه على دب الماء هو الطحالب التي تنمو على السطوح .‏