Pizza, Please! One of the world’s most popular foods along with the hamburger, fried chicken, and milk shakes is pizza. Although the origin of the first three foods is well understood, that of pi

How Could so Many People Support Hitler In Jerusalem , on April 11th, 1961, Adolf Eichmann stood trial for crimes against humanity. Eichmann had been a Nazi official tasked with organizing the t

The Warrior Who Defeated the Mighty Mughals - Stephanie Honchell Smith In warfare, in command, in sound judgement, and in administration, he had no equal.—— In 1624, Mughal Emperor Jahangir receive

fgg 高分子链的结构 近程结构 石墨和纸浆是天然高分子化合物 试讨论线形聚异戊二烯可能有哪些不同的构型,假定不考虑键接结构(画出结构示意图)——聚异戊二烯可能有6种有规立构体解 本题为何没考虑无规立构呢？ 写出有取代的二烯 CH3CH=CH-CH=CH-COOCH3 经加聚反应得到的聚合物,若只考虑单体的1,4-加成和单体头-尾相接,则理论上可能有几种立体异构? 为什么不

Why Does February Only Have 28 Days Although February 2015 might fit perfectly on the page , every year it’s the runt of the monthly litter . This deficit of days, this calendar craziness , this

The Science of Falling in Love Love is often described as heartwarming,heart-wrenching and even heartbreaking. So, what does the brain have to do with it? Everything! The journey from first spark to

The Myth of Cupid and Psyche “Beauty is a curse ,” Psyche thought as she looked over the cliff’s edge where she’d been abandoned by her father. She’d been born with the physical perfection so comple

The History of Marriage There have been many different things written and said about marriage. From the sweetly inspirational to the hilariously cynical . But what many of them have in common is tha

How One Journalist Risked Her Life to Hold Murderers Accountable In March of 1892, three Black grocery store owners in Memphis, Tennessee, were murdered by a mob of white men. Lynchings like these w

The Amish In the land of rock and roll , the space shuttle, and computerized living, who could imagine that about 50,000 Americans do not use telephones, electric lights, or cars, not because they ar