Hans Spemann and Hilde Mangold: Primary Embryonic Induction The most spectacular transplantation experiments were published by Hans Spemann and Hilde Mangold in 1924.* They showed that‚ of all the tissues in the early gastrula‚ only one has its fate determined. This self-differentiating tissue is the dorsal lip of the blastopore‚ the tissue derived from the gray crescent cytoplasm. When this dorsal lip tissue was transplanted into the presumptive belly skin region of another gastrula‚ it not only
Premium Developmental biology Embryo
music is timeless and will be always beloved and popular‚ but we shouldn’t forget that nowadays we have people‚ who are also very talented and whose works arouse deep and complex emotions. So‚ today I want to tell you about Hans Zimmer‚ German composer and modern genius. Hans Florian Zimmer (born September 12‚ 1957) is a German film composer and music producer. For nearly three decades Zimmer has composed music for over 100 films including some critically acclaimed film scores‚ such as The Lion
Premium Hans Zimmer
The Xia Dynasty Overview There are ancient accounts about the history of a small kingdom along the Yellow River that existed from about 2‚000 BC to 1‚600 BC. The main ancient accounts are in the Records of the Grand Historian (史記) that were written between about 109 BC and 91 BC by Sima Qian and another textthat is called the Bamboo Annals (竹書紀年) that was a text that was said to have been buried with the King of Wei who died in 296 BC and was rediscovered in 281 AD during the Jin Dynasty. The text
Premium China Chinese mythology History of China
Comparison of Rome and Han By: Myles Hunt The Roman Empire and Han Dynasty were two very large empires. Both of these empires were considered golden ages in one form or another. Han was considered a Golden Age in general because of its length and prosperity‚ while Rome also promoted prosperity it was mainly the Golden Age of Latin Literature. These empires were similar technologically while different politically. The Roman Empire and Han Dynasty were similar technologically. Both had extensive
Free Roman Empire Ancient Rome
the book: Hans Brinker Pages: 210 Setting: In Holland‚ in the 1840’s Central theme: If you treat people nice they shall treat you the same. Main characters: Hans Brinker‚ Gretel Brinker‚ Meitje Brinker‚ Raff Brinker Other important characters: Dr. Gerard Boekman‚ Ludwig van Mounen‚ Carl Schummel‚ Peter van Holp‚ Ludwig van Holp‚ Ben Dobbs‚ Hilda van Gleck‚ Jacob Poot‚ Katrinka Flack‚ Rychie Korbs. Summary: In Holland‚ poor but industrious and honorable 15year old Hans Brinker
Premium Doctor Who Race Doctor
Medieval China’s Tang and Song Dynasties The Tang Dynasty‚ 618-907 AD After the fall of the Han Dynasty‚ China saw much chaos similar to what happened in Europe after the fall of the Roman Empire. Unlike Europe though‚ China was eventually reunited. The Tang Dynasty was the next Chinese Dynasty to unite China for an extended amount of time. Tang Culture The Tang dynasty is known as the "golden age" of Chinese culture. The capital of the Tang Dynasty‚ Chang-an‚ became incredibly
Free Tang Dynasty Song Dynasty China
The ptomelic dynasty All the kings of the Ptolemaic family had the same name To distinguish each reign they adopted descriptive name e.g. soter (Savior) and II Philadelphus (love sis) and III Euergetes (Benefactor) The Ptomleic rulers adopted the Egyptian ideas of hereditary‚ divine kingship The Egyptian ruler was associated with the god Amon or Horus (son of the great mother-goddess Isis and her brother/husband Osiris. Lord of the Dead. The ptolemies adopted the practise of royal incest i.e. the
Premium Ptolemaic dynasty
The Tang Dynasty lasted for nearly 300 years‚ beginning in 618 A.D.‚ China was reunited‚ and ending in 907 A.D. Their emperor Li Yuan‚ who later became emperor of Gaozu‚ had a son named Tang Taizong. Tang Taizong helped form the Dynasty into the largest‚ richest‚ and most centralized government of that time. Tang Taizong’s reign as emperor‚ lasted from 627 A.D to 649 A.D. He formed a very strong central government and perfected the civil service examination. He greatly promoted foreign trade and
Premium Tang Dynasty China
on Han Chinese regime for the most of times‚ nevertheless‚ we are able to trace dynasties that either partially or wholly conquered by foreign powers within the scope of Chinese history; among all of them‚ Qing China under the Manchu’s rule is considered as one of the most prosperous and well-known period in the Chinese history which lasted nearly three centuries with visibly economy growth and stable political rule.To managing a multi-ethnic state like China where the majority people are Han Chinese
Premium Sociology Political philosophy White people
Early Ming Dynasty I choose to do the early Ming Dynasty because it was very interesting to me and so much happened in just the beginning of this dynasty. Ming Taizu- Emperor Hongwu‚ Founder of the Ming Dynasty; once entered a monastery and later a leader of the peasant’s uprising army. In 1368‚ he proclaimed himself emperor in Yingtian (today’s Nanjing). He also implemented a series of policies to reduce the peasants’ burden and to resume the production of the whole society. On the other hand
Premium Ming Dynasty Beijing Yuan Dynasty