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NASA works to maintain Russian cooperation in space while eyeing ‘operational flexibility’

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NASA is continuing to operate the International Space Station (ISS) as usual alongside Russia and the agency’s other partners, but is weighing its options for the future amid Russia’s ongoing invasion in Ukraine, the agency’s top space operations official said Monday (Feb. 28). “We understand this the global situation where it is, but as a … Read more

Hibernation: Dormant ground squirrels recycle urine to maintain their muscles

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Hibernating animals find it hard to get the nitrogen they need to maintain muscles – but ground squirrels have gut microbes that can break down urea to free up the nitrogen it contains Life 27 January 2022 By Alex Wilkins Hibernating thirteen-lined ground squirrel Robert Streiffer Hibernating ground squirrels stay in shape by recycling urea, … Read more