Watson, Crick, Franklin, and Wilkins knew the next step was to get the precise structure of DNA. It was February 1953 when a three-dimensional model that looked like a toy finally sat on Crick’s desk. It was the biggest advance since Mendel created the genetics paradigm; the Nobel Prize...
答案见上Charles Darwin was a scientist. And he changed our understanding of the natural world. Darwin was born in 1809 in England. When he was young, he didn't do well and got poor marks at school. He loved studying nature. He also kept doing chemistry experiments. Charles started studyin...
Nobody had a clue that light was a combination of electricity and magnetism. And biology—a mixture of stories and superstition(迷信), was waiting for someone to explicate how life worked. That person was Darwin. By the time Darwin died in 1882, chemists had a chart for describing ...
When did Erasmus Darwin die? When did Rene Laennec born, and when did he die? When did Sir John Franklin die? When did Richard Trevithick die? When was Robert Louis Stevenson born and when did he die? When did James Chadwick die?
was born, both napping, the first good, long sleep I’d had since her birth, wrapped in each other’s arms. I thought of our cozy bed empty at home, remembered falling in love in New Haven twelve years earlier, surprised right away by how well our bodies and limbs fit together, and...
John Dalton was an award-winning Scientist born in England in 1766. He was brilliant though he did not attend University due to a combination of poverty and his affiliation with the quackers. He never married, neither did he sire any children. He is widely remembered for the discovery of at...
根据第一段“was born on February 12, 1809.出生在180年二月十二日”及第二段“At sixteen, Darwin was sent to Edinburgh University to become a doctor. 在十六岁,Darwin被送到爱丁堡大学去成为一个医生”计算可得是在1825年被送到爱丁堡大学的。故填1825. (2)No, he didn't. Because he was ...
Most scientists accepted Darwin’s theory and people continue to study it today. On 12th February, the day he was born, Darwin Day is celebrated around the world to encourage more people to study the natural world.1. What caused Darwin to give up his study of medicine? A.He didn’t lik...
More than 300 celebrations have been planned in Britain alone, where Darwin's face graces (使增光)the 10-pound bill along with that of Queen Elizabeth II.Shrewsbury, the central England town where Darwin was born and raised, is holding a month-long festival for its most famous son. Down ...
John H. Johnson was born in a black family in Arkansas City in 1918. His father died in an accident when John was six. He was reaching the high school age, but his hometown offered no high school for blacks. Luckily he had a strong-willed caring mother.