This almost certainly won’t happen to the ISS. At the same time, it’s a far more extreme version of the only way an American space station has ever come down. In 1979, after years spent vacant in orbit, Skylab, the US’s first space station, started sinking toward the atmosphere, where it threatened to fall and drop molten spacecraft parts on Earth. At that point, NASA officials had to remotely wake up its computers and, with only limited control of the station, direct it over a location that would endanger the fewest humans.
Rational design of a regulatory protein decouples the ability to tolerate cold from the means to acquire phosphorus, effectively enhancing crop yield under cold stress.
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The couple spent their 37th wedding anniversary in hospital, as well as Manjit Sangha's birthday around Christmas time.
双方在医院附近谈妥了价格——20元。我特意在网络上查询了当时的物价，1970年代，猪肉约0.9元/斤，因此20元相当于现在的3200元至4000元。
Correlate — Links tool-use requests in assistant messages to their results in user messages via tool_use_id. This is how file content (which only appears in results, not requests) gets attached to each operation.