据日本《读卖新闻》5月16日报道，日本大阪公立大学当天表示，其工科研究室中两种危险有毒化学品（氰化钾与氰酸钠）丢失，丢失量约50g，可致160-250人死亡。
日本大阪公立大学称，学校工作人员5月2日进行年度定期检查时，发现用于实验的2瓶有毒化学品丢失，分别是25g的粉末。上一次定期检查是在2023年6月。根据规定，使用相关危险化学品的教师与学生需提前登记，化学品被外来人员拿走的可能性极低。
日本法律规定，若发现氰化钾等危险有毒化学品丢失，应立即向公安机关报案。而大阪公立大学在事发约15天后，才向公安机关报案。学校副校长已召开记者会道歉，表示，“我们对相关法律认识浅薄，深表歉意。”（
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A spike in interest rates since the start of the year has accelerated a rotation out of high-growth technology stocks and into value stocks poised to benefit from a reopening of the economy. The Nasdaq has fallen more than 10% over the past month as the Dow has soared to record highs, with a spike in the 10-year US Treasury yield acting as the main catalyst. It recently surged to a cycle high of more than 1.60% after starting the year below 1%. But according to Jim Paulsen, the Leuthold Group's chief investment strategist, rising interest rates do not represent a long-term threat to the stock market. Paulsen expects the 10-year yield to cross 2% by the end of the year. A spike in interest rates and its impact on the stock market depends on the economic backdrop, according to Paulsen. Rising interest rates amid a strengthening economy "may prove no challenge at all for stocks," Paulsen said.
Telegram has made it easier for its users to communicate, as it has introduced a feature that allows more than 200,000 users in a group chat. However, if the users in a group chat move past 200,000, it changes into "Broadcast Group", but the feature comes with a restriction. Groups with close to 200k members can be converted to a Broadcast Group that allows unlimited members. Only admins can post in Broadcast Groups, but everyone can read along and participate in group Voice Chats," Telegram added.
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