In a tank in an underground laboratory in Cambridge a little green alga is executing a powerful breaststroke. It has a single cell for a body and two hair-like filaments for arms. In another tank alga...
阅读全文挪威科学与文学院19日宣布，将2019年度阿贝尔奖授予美国数学家卡伦·乌伦贝克，以表彰她在几何分析、规范场论和可积系统等领域的开创性贡献。阿贝尔奖是数学界最高奖之一。乌伦贝克是首位获此殊荣的女性。
阅读全文Researchers have discovered what gives human sperm the strength to succeed in the race to fertilise the egg.
阅读全文Scientists should stop using the term 'statistically significant' in their research, urges this editorial in a special issue of The American Statistician published today.
阅读全文Karen Keskulla Uhlenbeck has been awarded the Abel Prize 2019 for her pioneering work in geometry, analysis, mathematical physics and more. The Abel Prize is awarded every year for outstanding scienti...
阅读全文Proof is the essence of mathematics. Any mathematical result should be derived from first principles using a watertight chain of logical reasoning. Proof is what separates mathematics from other intel...
阅读全文Today is the day the world celebrates the number $\pi $. That’s because it’s March 14th, which in the US is written as 3/14, giving you the first three digits of this beloved number. But of course, ...
阅读全文从凝聚态物理到量子信息、从纳米科技到基因组、从航天到深海、从高铁到超级计算、从“天眼”到“悟空”……在从科技大国迈向科技强国的路上，我国科技领域不断取得骄人的成就。
阅读全文公元1882年，数学家菲利克斯·克莱因提出了一种自我封闭且没有明显边界的模型“克莱因瓶”。克莱因瓶是一个没有边的曲面，像球面一样封闭，但它却只有一个面。在数学领域，克莱因瓶是指一种无定向性的平面，如二...
阅读全文近日，第十一届罗马尼亚数学大师竞赛结果公布。中国队6名参赛者有4人获得银牌，1人获得铜牌，1人获得鼓励奖；在个人成绩排名中，中国选手的最高成绩是第15名；在团体排位中，中国队排名第六。前五名分别是美国...
阅读全文不可能图形是指，在现实世界中不可能客观存在的事物的图形。它是由人类的视觉系统在瞬间下意识地对一个二维图形的三维投射而形成的光学错觉。著名的不可能图形有潘洛斯三角、彭罗斯阶梯、不可能立方体等。 潘洛斯三....
阅读全文从凝聚态物理到量子信息、从纳米科技到基因组、从航天到深海、从高铁到超级计算、从“天眼”到“悟空”……在从科技大国迈向科技强国的路上，我国科技领域不断取得骄人的成就
阅读全文10日下午3时，全国政协十三届二次会议第三次全体会议在人民大会堂举行。全国政协委员、民盟中央副主席、北京大学副校长田刚作了题为《教师是立教之本兴教之源》的大会发言。田刚表示，加强教师队伍应深化教师队伍管理...
阅读全文It's pancake day, so let's imagine a stack of pancakes. Unless you are very good at making them, the pancakes are likely to come in different sizes, which makes a stack of them look very untidy. One w...
阅读全文As Benjamin Franklin once joked, death and taxes are universal. Scale-free networks may not be, at least according to a new study from CU Boulder.
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