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。”（
BY TG规则脚本信息分享器
elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.
Telegram today rolling out an update which brings with it several new features.The update also adds interactive emoji. When you send one of the select animated emoji in chat, you can now tap on it to initiate a full screen animation. The update also adds interactive emoji. When you send one of the select animated emoji in chat, you can now tap on it to initiate a full screen animation. This is then visible to you or anyone else who's also present in chat at the moment. The animations are also accompanied by vibrations. This is then visible to you or anyone else who's also present in chat at the moment. The animations are also accompanied by vibrations.
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