🇨🇳 瑞典一所学校发生持刀袭击事件，一名遇难者不幸身亡，另有三人受伤。警方开枪制服并逮捕了一名18岁男性嫌疑人。目前动机尚不明确，但校园安全再次成为全球焦点。这起事件提醒我们，无论中外，校园本应是最安全的港湾。对中学生而言，了解突发事件的应对常识、保持警惕，同时珍惜和平的校园生活，是这则新闻带给我们的现实思考。
Officials say another three people were injured, and an 18-year-old male suspect shot and arrested.
🇨🇳 中非共和国一处金矿发生坍塌，已致超100人遇难。事故由山体滑坡引发，当地官员表示，随着救援推进，死亡人数可能继续上升。这起悲剧再次暴露了手工采矿的脆弱性——许多矿工缺乏安全设备，在无监管的坑道中作业。值得关注的是，金矿事故频发背后，是全球黄金需求与贫困地区生计之间的冲突。对中学生而言，这提醒我们：资源开采不应以生命为代价，可持续发展与安全规范同样重要。
The collapse was caused by a landslide, while local officials say the death toll is likely to rise as recovery efforts c…
🇨🇳 过去一年，美国发放的F-1学生签证数量骤降34%，专家称这与收紧的移民政策直接相关。这意味着赴美留学的大门明显变窄，很多原本计划去美国读书的同学可能得另寻出路。值得关注的是，签证减少不仅影响个人选择，也反映出美国对国际人才的态度转向保守。对中国学生来说，这提醒我们留学规划要更多元，多考虑其他国家，同时也要更重视自身实力，而不是只盯着一个目的地。
The number of F-1 visas issued in the US plummetted by over a third between 2024 and 2025, as experts point to an "alarm…
传统锂电池能量密度接近天花板，固态电池用固态电解质取代液态，能量密度更高、更安全。中国「宁王」与全球车企都在押注。
固态电池是新能源汽车「下半场」的胜负手。
Solid-state batteries replace liquid electrolytes with solid ones: safer, higher energy density, longer range — potentially beyond 1,000 km. Automakers and battery giants like CATL are betting on it as the decisive technology of the EV era.
《卧底经济学》作者哈福德提出「慢思考的悖论」：适度干扰（如贝多芬在嘈杂的维也纳写作、披头士的即兴录音）反而催生创造力。他把这称为「多产的低效」（productive inefficiency）——绕弯路能让我们发现捷径之外的风景。
Economist Tim Harford celebrates 'productive inefficiency': how noise, interruptions and constraints — Beethoven composing amid Vienna's chaos, the Beatles improvising in the studio — can spark creativity. A witty defence of detours and mess in a world obsessed with straight lines.
位于首都堪培拉，澳大利亚排名第一的大学（QS 澳洲榜首）。由联邦政府创立，研究力量雄厚，天文学与物理（引力波研究）尤为突出。
Founded in 1946 in the national capital Canberra, ANU is Australia's top-ranked university. Created by the federal government, it is research-intensive, with particular strength in astronomy and physics.
哈利法塔 122 层的餐厅，距离地面 442 米，是「世界最高餐厅」。窗外的迪拜夜景如星河倒映，配得上任何庆祝场合。
Perched on the 122nd floor of the Burj Khalifa, 442 metres above the ground, At.mosphere is the 'world's highest restaurant'. Dubai's night view through the windows looks like a fallen galaxy — perfect for any celebration.
1831 年发现于苏格兰刘易斯岛，这套棋子约制于公元 1150–1200 年，用海象牙与鲸齿雕成。每枚棋子表情各异：国王按剑而坐，王后托腮沉思，狂战士咬着盾牌。它们是欧洲中世纪最具辨识度的文物之一。
Found on the Isle of Lewis in Scotland in 1831, these chessmen were carved from walrus ivory and whale teeth around AD 1150–1200. Each piece has its own expression: kings sit with swords on their knees, queens hold their chins, and berserkers bite their shields. They are among the most recognisable objects from medieval Europe.
“In 2015, a teacher and a pupil were killed in a sword attack at a school in Trollh ä ttan .”
🇨🇳 2015年，瑞典特罗尔海坦市一所学校发生持剑袭击事件，一名教师和一名学生遇难。
“Two teenage boys were seriously injured in the attack.”
🇨🇳 两名 teenage 男孩在袭击中受重伤。
“Screenshot of verified video the shows the goldmine collapse in the Central African Republic with more than 100 reported dead.”
🇨🇳 一段经核实的视频截图显示中非共和国金矿坍塌，据报道已有超过100人死亡。
“Another person had minor injuries.”
“In an update on Friday, police said officers fired at the suspect before arresting and detaining him.”
“More than 100 dead after goldmine collapses in Central African Republic The collapse was caused by a landslide, while local officials say the death toll is likely to rise as recovery efforts c… The large drop in visa issuance appears to have stemmed from two of the US’s biggest source markets – India and China.”
🇨🇳 中非共和国金矿坍塌致100多人死亡，坍塌由山体滑坡引发，当地官员表示，随着救援工作的继续，死亡人数可能还会上升。签证发放量大幅下降，似乎主要源于美国两个最大来源市场——印度和中国。
“This led to the government tightening the country's gun laws after it was found that the suspect legally owned four rifles, three of which were found in the school where attack took place.”
🇨🇳 调查发现嫌疑人合法拥有四支步枪，其中三支在事发学校被发现，这促使政府收紧了该国的枪支法律。
“The school has just under 500 students on its roster, according to SVT, and is located 170km (105 miles) north-west of the capital, Stockholm.”
🇨🇳 据瑞典电视台报道，该校在册学生不到500人，位于首都斯德哥尔摩西北170公里（105英里）处。
“Sweden has experienced a number of attacks on educational institutions in recent years.”