随着气候变化和全球变暖，地球上数以百万计的人将生活在危险的高温环境中，热到身体出现问题。 许多生活在开发中国家的人，因为必须工作赖以维生，将面临到对自己生命有潜在性威胁的状况。 这可能包括那些在农场田里、在建筑工地工作的人，还有工厂工人，甚至是医院的医生。 全球变暖将造成地球的某些地方在夏季的时候气温高到“不适合人类生存”的地步，而这样的高温天气可能会越来越频繁。 暑热压力指数

Ever notice how cereal tends to stick together in the middle of the bowl? Or it clumps to the edges. That makes it easy to eat, but why does it happen? It’s Okay To Be Smart explains the cheerios effect. Who knew there was so much science in a bowl of cereal?

Civilization is typically characterized by intellectual, cultural, and material development. Do organisms other than humans have the ability to exist in a social structure? Despite the small brain capacity of an individual ant, the collective of a colony…

2020年7月14日

4 小时前 《最后生还者》可能是一款僵尸恐怖生存游戏，讲述世界末日后一对情侣在美国，到处都是食人生物。但其中最难忘的时刻并不是勇敢地逃离僵尸群，也不是与敌对的人类幸存者发生枪战。相反，这部始于2013年的畅销游戏，也是被誉为有史以来最伟大的电子游戏，最大的吸引力在于它“安静的故事节奏”，其中一个场景尤为突出。 艾莉和乔尔是游戏的主角，他们为了治愈已经毁灭了地球60%的大瘟疫，经历了危及生命的艰苦跋涉，头发已经花白。他们爬进一个废弃的公共汽车站，发现了一只正在吃相思树叶的野生长颈鹿。远处，长颈鹿群在曾经市…

外界在1月20日才得悉新冠病毒人传人，但港大专家袁国勇称此前一周已发现迹象，只是上报后中国当局试图淡化疫情。他受访的片段突然在YouTube被下架，进一步引起外界猜测。

Regenerative agriculture is an effective way to restore biodiversity and stabilize the climate, but what exactly is it? This video explores three different regenerative practices that have great potential both in food production and in healing the land.
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When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathematicians of his time. He’d published articles in international journals and his textbooks were required reading. Yet his application…