Researchers at the university have now developed ways of deep-freezing banana samples.
ECONOMIST: A banana bank is safeguarding the future of the crop
Getting these is tricky, but the researchers hope that cryopreservation that is, deep-freezing at extremely low temperatures will preserve them indefinitely, once they have been obtained.
And tourists line up dozens deep even in freezing weather for a chance to ride over the city's Nob and Russian hills.
NPR: San Francisco Cable Car Accidents Costs Millions
It was well below freezing and the snow was so deep that we sank into it past our knees.
BBC: Threat to life on Arctic frontline
Teams have been traveling in deep snow followed by deep overflows in a trail deteriorated by above-freezing temperatures.
NPR: Iditarod Front-Runner Hopes To Claim 5th Win
应用推荐
模块上移
模块下移
不移动