Valery Zvegintsev, a chief scientist at the Institute of Theoretical and Applied Mechanics at the Russian Academy of Sciences’s Siberian branch, was arrested for treason earlier this year, according to an open letter in support of multiple Novosibirsk scientists accused of treason that was released on Monday. The letter does not include the date of Zvegintsev’s arrest or the exact charges against him, but according to the local news outlet NGS, …