yan He hates the all-pink female-only gyms he's seen online."It screams straight man...Who says women must lovepink?"he says.Yan's gym,which he opened last July in Hangzhou,Zhejiang province,is much ...yan He hates the all-pink female-only gyms he's seen online."It screams straight man...Who says women must lovepink?"he says.Yan's gym,which he opened last July in Hangzhou,Zhejiang province,is much more subtle(perhaps because it was designed and decorated by his wife),with no pink to be seen.But a sign at the front desk that reads No Entry for Men"gets the message across.展开更多
“Time is the best appraiser of scientific work,and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor.”—Louis Pasteur,French Chemist(1822-1895)Time is perhaps t...“Time is the best appraiser of scientific work,and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor.”—Louis Pasteur,French Chemist(1822-1895)Time is perhaps the most important quantity with which we measure our lives.While there are other important factors as well,when we run out of time,we by definition can no longer make an impact on our world.Nearly all events and phenomena,including those in research,are viewed in the context of this ever-elusive and unforgiving variable.It is hard to believe,for example,that we are already through the first half of 2023 and publishing the 42nd issue of CCS Chemistry.Time has a way of slipping by,but it can also provide an important perspective.展开更多
It is difficult to encapsulate in a few pages the experience of six and a half years of stay in a country,especially with which one has a deep,historical and multidimensional relationship.Each aspect of this relations...It is difficult to encapsulate in a few pages the experience of six and a half years of stay in a country,especially with which one has a deep,historical and multidimensional relationship.Each aspect of this relationship would perhaps require a separate chapter.展开更多
Creating Artistic Maps fora New Senseof Direction,Salvador Dali once said,"those who do not want to imitate anything,producenothing."Whilethefamed Spanish surrealist wasn't advocating plagiarism,he was p...Creating Artistic Maps fora New Senseof Direction,Salvador Dali once said,"those who do not want to imitate anything,producenothing."Whilethefamed Spanish surrealist wasn't advocating plagiarism,he was perhaps alluding to the fact that art doesn't have to be steeped in originality,nor does it need to be formed from the basis of something prototypical.ArtistGarethFullerseems to understand this concept and has made it his life's workto find deep meaning based on the world's oldest blueprints.展开更多
It was the year Paul Revere sounded the midnightalarm that led to the battles of Lexington and Concord,and the American Revolution exploded on a startledworld. In 1775, in the prosperous town of Newport,R.I., Judah To...It was the year Paul Revere sounded the midnightalarm that led to the battles of Lexington and Concord,and the American Revolution exploded on a startledworld. In 1775, in the prosperous town of Newport,R.I., Judah Touro was born into a thriving Jewishcommunity of perhaps 1000 souls.展开更多
Have you ever looked into the sky and wondered why birds could fly?Or perhaps why the leaves of cacti are needle-like?Throughout evolution,organisms have experimented with various forms and functions for over 3 billio...Have you ever looked into the sky and wondered why birds could fly?Or perhaps why the leaves of cacti are needle-like?Throughout evolution,organisms have experimented with various forms and functions for over 3 billion years before the first human manipulations of stone,bone,and antler.From animal teeth to spears,fish fins to paddles,human beings have studied nature not only to satisfy curiosity but,more importantly,to learn from it for innovations and inventions.Along with the development of technology,our understanding of the creatures in nature goes beyond the pure observation of morphology to investigate exquisite composition and knowledge of fundamentals of their unique functions.Nowadays,people draw inspiration from nature to create shark skin swimsuits that increase swimming speeds,buzzard-inspired flaps that improve aircraft maneuver,and self-cleaning clothes that mimic the surface wettability of lotus leaves.These ideas are bio-inspired strategies,aiming to inspire biological methods and natural approaches to design modern technology or resolve engineering problems.展开更多
Recently,Riess et al.[1]reported the new result of local measurement of the Hubble constant,H_0=(73.00±1.75)km s^(-1) Mpc^(-1),which is 3.3σhigher than the fit result of ocal measurement of the Hubble constant, ...Recently,Riess et al.[1]reported the new result of local measurement of the Hubble constant,H_0=(73.00±1.75)km s^(-1) Mpc^(-1),which is 3.3σhigher than the fit result of ocal measurement of the Hubble constant, H_0 = (73.00 ± 1.75) km s^(-1) Mpc^(-1), which is 3.3σ higher than the fit result of (66.93±0.62) km s^(-1) Mpc^(-1) derived by the Planck collaboration based on theΛCDM model withmν=0.06 e V using the latest Planck CMB data.The tension between the latest H0measurement and the Planck data has inspired numerous discussions.On one hand,it might be caused by some systematic uncertainties in the measurements.On the other hand,perhaps one has omitted some unknown physical factors in the cosmological model,which leads to some inconsistencies among different data sets.For example,replacing the cosmological constant with a dynamical dark energy[2]and considering the extra relativistic degrees of freedom(i.e.,an additional parameter Neff)[1,3,4]both can help relieve this tension to some extent.It was also shown in ref.[4]that the involvement of light sterile neutrinos in the cosmological model can simultaneously relieve almost all the tensions among the current astrophysical observations,which leads to a new cosmic concordance.展开更多
一般来说,现代宽容观念是指行为主体对于与自身(价值观)不同的其他价值观念的克制,其前提在于承认社会多元性(diversity)和差异性(difference)事实。从语源学上追溯,'宽容'(toleration)源于拉丁语'tolerate',原意为'...一般来说,现代宽容观念是指行为主体对于与自身(价值观)不同的其他价值观念的克制,其前提在于承认社会多元性(diversity)和差异性(difference)事实。从语源学上追溯,'宽容'(toleration)源于拉丁语'tolerate',原意为'对令人厌恶甚至憎恶之事的忍受或者忍耐'(the enduring of something disagreeable,perhaps even abhorrent)。显然,自古代至现代,'宽容'观念的本质发生了某种偏移,即从消极的带有明显不快或痛苦的抉择式忍受或者容忍,逐渐向具有积极性的对于社会多元性事实的克制与承认倾斜。展开更多
Collaborations between Chinese and Italian museums and archaeologists have expanded knowledge beyond borders.I"met"Lu Xun,perhaps the greatest Chinese writer of the 20th century,when I was 15 years old.Readi...Collaborations between Chinese and Italian museums and archaeologists have expanded knowledge beyond borders.I"met"Lu Xun,perhaps the greatest Chinese writer of the 20th century,when I was 15 years old.Reading"The True Story of Ah Q,"his 1921 masterpiece on rural conditions in the semi-feudal China of the period around the 1911Revolution,seen through the eyes of a farm laborer,was like stepping through a door into the vast world of Chinese culture.The novella is remarkable not only for the literary content but also for the social,anthropological,historical,and political messages.展开更多
Young designers reimagine Beijing’s culture through its urban blueprint A picture book titled Central Axis hit the shelves of bookstores around China last year.Truth be told,the theme of this book is perhaps not the ...Young designers reimagine Beijing’s culture through its urban blueprint A picture book titled Central Axis hit the shelves of bookstores around China last year.Truth be told,the theme of this book is perhaps not the easiest of subject matters:How does one present the history and significance of a central line cutting right through theheart of Beijing?展开更多
阅读理解A Languages have been coming and going for thousands of years,but in recent times there has been less coming and a lot more going.When the world was still populated by hunter-gatherers,small,tightly knit(联系)...阅读理解A Languages have been coming and going for thousands of years,but in recent times there has been less coming and a lot more going.When the world was still populated by hunter-gatherers,small,tightly knit(联系)groups developed their own patterns of speech independent of each other.Some language experts believe that 10,000 years ago,when the world had just five to ten million people,they spoke perhaps 12,000 languages between them.展开更多
Toronto is a big,beautiful and efficient city,one that has emerged from relative obscurity(不引人注目)over the past half century to become the center of culture,com-merce and communications in Canada.
With the exception of teleost fishes and some insects, all spermatozoa that have been studied with electron microscopy possess acrosome. The acrosome is essentially vesicles packed with proteinaceous material which pl...With the exception of teleost fishes and some insects, all spermatozoa that have been studied with electron microscopy possess acrosome. The acrosome is essentially vesicles packed with proteinaceous material which plays an important role during the fertilization. Those spermatozoa having no acrosome usually do not possess vesicles in their heads.展开更多
根据语法规则,形容词最高级前必须加定冠词 the,但在下列情况下会出现例外。1.如果形容词不是起定语作用,而用做动词的表语,成为谓语的一部分时,the 可有可无。1)New York Harbor is loveliest at night perhaps.纽约海港也许在晚上最...根据语法规则,形容词最高级前必须加定冠词 the,但在下列情况下会出现例外。1.如果形容词不是起定语作用,而用做动词的表语,成为谓语的一部分时,the 可有可无。1)New York Harbor is loveliest at night perhaps.纽约海港也许在晚上最可爱。2)Old tunes are sweetest and old friends are surest.老凋最甜美,老友最可靠。3)Where it is weakest,there the thread breaketh.线从最细处断。展开更多
我国京剧有黑头、青衣、小丑等角色,英国古代也有所谓角色戏(character-plays),演员经常扮演同一类型的角色,如情人、傻瓜、恶棍,因而产生 to play the fool,to act the lover 之类的习用词语。其中的 the fool,the lover,指戏中的角色...我国京剧有黑头、青衣、小丑等角色,英国古代也有所谓角色戏(character-plays),演员经常扮演同一类型的角色,如情人、傻瓜、恶棍,因而产生 to play the fool,to act the lover 之类的习用词语。其中的 the fool,the lover,指戏中的角色含有模型的意味。后来这种用法超越戏剧界而扩及一般社会,终于赋予冠词 the 以一种特殊意义,表示其后随名词所指的人物是一种典型,一个标本,足以体现该类人物的性格或特征,往往是适当的、正确的、真正的、合理想的,或者是著名的。展开更多
Stephen Crane(1871—1900) saw life as hard, perhaps cruel. His style has been called realistic, naturalistic and impressionistic . He tried to give an accurate showing of the scene as a whole rather than concentrating...Stephen Crane(1871—1900) saw life as hard, perhaps cruel. His style has been called realistic, naturalistic and impressionistic . He tried to give an accurate showing of the scene as a whole rather than concentrating on detail like an impressionist painter. His style is also marked by the use of vivid colour and imagery "The Open Boat" is the best known of Crane’s later stories. The subject展开更多
文摘yan He hates the all-pink female-only gyms he's seen online."It screams straight man...Who says women must lovepink?"he says.Yan's gym,which he opened last July in Hangzhou,Zhejiang province,is much more subtle(perhaps because it was designed and decorated by his wife),with no pink to be seen.But a sign at the front desk that reads No Entry for Men"gets the message across.
文摘“Time is the best appraiser of scientific work,and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor.”—Louis Pasteur,French Chemist(1822-1895)Time is perhaps the most important quantity with which we measure our lives.While there are other important factors as well,when we run out of time,we by definition can no longer make an impact on our world.Nearly all events and phenomena,including those in research,are viewed in the context of this ever-elusive and unforgiving variable.It is hard to believe,for example,that we are already through the first half of 2023 and publishing the 42nd issue of CCS Chemistry.Time has a way of slipping by,but it can also provide an important perspective.
文摘It is difficult to encapsulate in a few pages the experience of six and a half years of stay in a country,especially with which one has a deep,historical and multidimensional relationship.Each aspect of this relationship would perhaps require a separate chapter.
文摘Creating Artistic Maps fora New Senseof Direction,Salvador Dali once said,"those who do not want to imitate anything,producenothing."Whilethefamed Spanish surrealist wasn't advocating plagiarism,he was perhaps alluding to the fact that art doesn't have to be steeped in originality,nor does it need to be formed from the basis of something prototypical.ArtistGarethFullerseems to understand this concept and has made it his life's workto find deep meaning based on the world's oldest blueprints.
文摘It was the year Paul Revere sounded the midnightalarm that led to the battles of Lexington and Concord,and the American Revolution exploded on a startledworld. In 1775, in the prosperous town of Newport,R.I., Judah Touro was born into a thriving Jewishcommunity of perhaps 1000 souls.
文摘Have you ever looked into the sky and wondered why birds could fly?Or perhaps why the leaves of cacti are needle-like?Throughout evolution,organisms have experimented with various forms and functions for over 3 billion years before the first human manipulations of stone,bone,and antler.From animal teeth to spears,fish fins to paddles,human beings have studied nature not only to satisfy curiosity but,more importantly,to learn from it for innovations and inventions.Along with the development of technology,our understanding of the creatures in nature goes beyond the pure observation of morphology to investigate exquisite composition and knowledge of fundamentals of their unique functions.Nowadays,people draw inspiration from nature to create shark skin swimsuits that increase swimming speeds,buzzard-inspired flaps that improve aircraft maneuver,and self-cleaning clothes that mimic the surface wettability of lotus leaves.These ideas are bio-inspired strategies,aiming to inspire biological methods and natural approaches to design modern technology or resolve engineering problems.
基金supported by the National Natural Science Foundation of China (Grant Nos. 11522540, and 11690021)the Top-Notch Young Talents Program of China, and the Provincial Department of Education of Liaoning (Grant No. L2012087)
文摘Recently,Riess et al.[1]reported the new result of local measurement of the Hubble constant,H_0=(73.00±1.75)km s^(-1) Mpc^(-1),which is 3.3σhigher than the fit result of ocal measurement of the Hubble constant, H_0 = (73.00 ± 1.75) km s^(-1) Mpc^(-1), which is 3.3σ higher than the fit result of (66.93±0.62) km s^(-1) Mpc^(-1) derived by the Planck collaboration based on theΛCDM model withmν=0.06 e V using the latest Planck CMB data.The tension between the latest H0measurement and the Planck data has inspired numerous discussions.On one hand,it might be caused by some systematic uncertainties in the measurements.On the other hand,perhaps one has omitted some unknown physical factors in the cosmological model,which leads to some inconsistencies among different data sets.For example,replacing the cosmological constant with a dynamical dark energy[2]and considering the extra relativistic degrees of freedom(i.e.,an additional parameter Neff)[1,3,4]both can help relieve this tension to some extent.It was also shown in ref.[4]that the involvement of light sterile neutrinos in the cosmological model can simultaneously relieve almost all the tensions among the current astrophysical observations,which leads to a new cosmic concordance.
文摘一般来说,现代宽容观念是指行为主体对于与自身(价值观)不同的其他价值观念的克制,其前提在于承认社会多元性(diversity)和差异性(difference)事实。从语源学上追溯,'宽容'(toleration)源于拉丁语'tolerate',原意为'对令人厌恶甚至憎恶之事的忍受或者忍耐'(the enduring of something disagreeable,perhaps even abhorrent)。显然,自古代至现代,'宽容'观念的本质发生了某种偏移,即从消极的带有明显不快或痛苦的抉择式忍受或者容忍,逐渐向具有积极性的对于社会多元性事实的克制与承认倾斜。
文摘Collaborations between Chinese and Italian museums and archaeologists have expanded knowledge beyond borders.I"met"Lu Xun,perhaps the greatest Chinese writer of the 20th century,when I was 15 years old.Reading"The True Story of Ah Q,"his 1921 masterpiece on rural conditions in the semi-feudal China of the period around the 1911Revolution,seen through the eyes of a farm laborer,was like stepping through a door into the vast world of Chinese culture.The novella is remarkable not only for the literary content but also for the social,anthropological,historical,and political messages.
文摘Young designers reimagine Beijing’s culture through its urban blueprint A picture book titled Central Axis hit the shelves of bookstores around China last year.Truth be told,the theme of this book is perhaps not the easiest of subject matters:How does one present the history and significance of a central line cutting right through theheart of Beijing?
文摘阅读理解A Languages have been coming and going for thousands of years,but in recent times there has been less coming and a lot more going.When the world was still populated by hunter-gatherers,small,tightly knit(联系)groups developed their own patterns of speech independent of each other.Some language experts believe that 10,000 years ago,when the world had just five to ten million people,they spoke perhaps 12,000 languages between them.
文摘Toronto is a big,beautiful and efficient city,one that has emerged from relative obscurity(不引人注目)over the past half century to become the center of culture,com-merce and communications in Canada.
基金Project supported by the National Natural Science Foundation of China.
文摘With the exception of teleost fishes and some insects, all spermatozoa that have been studied with electron microscopy possess acrosome. The acrosome is essentially vesicles packed with proteinaceous material which plays an important role during the fertilization. Those spermatozoa having no acrosome usually do not possess vesicles in their heads.
文摘根据语法规则,形容词最高级前必须加定冠词 the,但在下列情况下会出现例外。1.如果形容词不是起定语作用,而用做动词的表语,成为谓语的一部分时,the 可有可无。1)New York Harbor is loveliest at night perhaps.纽约海港也许在晚上最可爱。2)Old tunes are sweetest and old friends are surest.老凋最甜美,老友最可靠。3)Where it is weakest,there the thread breaketh.线从最细处断。
文摘我国京剧有黑头、青衣、小丑等角色,英国古代也有所谓角色戏(character-plays),演员经常扮演同一类型的角色,如情人、傻瓜、恶棍,因而产生 to play the fool,to act the lover 之类的习用词语。其中的 the fool,the lover,指戏中的角色含有模型的意味。后来这种用法超越戏剧界而扩及一般社会,终于赋予冠词 the 以一种特殊意义,表示其后随名词所指的人物是一种典型,一个标本,足以体现该类人物的性格或特征,往往是适当的、正确的、真正的、合理想的,或者是著名的。
文摘Stephen Crane(1871—1900) saw life as hard, perhaps cruel. His style has been called realistic, naturalistic and impressionistic . He tried to give an accurate showing of the scene as a whole rather than concentrating on detail like an impressionist painter. His style is also marked by the use of vivid colour and imagery "The Open Boat" is the best known of Crane’s later stories. The subject
