In 1952 Virginia Apgar, a physician at the Sloane Women?s Hospital in New York City, New York, created the Apgar score as a method of evaluating newborn infants? health to determine if they required medical intervention. The score included five separate categories, including heart rate, breathing rate, reaction to stimuli, muscle activity, and color. An infant received a score from zero to two ...

Rosalind Elsie Franklin worked with X-ray crystallography at King's College London, UK, and she helped determine the helical structure of DNA in the early 1950s. Franklin's research helped establish molecular genetics, a field that investigates how heredity works on the molecular level. The discovery of the structure of DNA also made future research possible into the molecular basis of embryoni...

In 1952 Virginia Apgar, a physician at the Sloane Women?s Hospital in New York City, New York, created the Apgar score as a method of evaluating newborn infants? health to determine if they required medical intervention. The score included five separate categories, including heart rate, breathing rate, reaction to stimuli, muscle activity, and color. An infant received a score from zero to two ...

بإنتهاء الحرب العالمية الأولى عام 1918 م ، تكون بريطانيا قد خرجت من منتصرة إلا أنها كانت تعاني أزمة اقتصادية ومالية صعبة للغاية وجيش مُتعَب يحتاج إلى إعادة تأهيل . وقوات بحرية شبه مُدَمرة وفقدت ثلثي سفنها ومُعداتها ومدن مُهدمة وطرق وجسور خَرِبة وعلى الرغم ذلك فقد بسطت سيطرتها على مستعمراتها في القارة الهندية والخليج العربي وبلاد فارس والعراق وفلسطين وشرق الأردن وعدن ومضيق باب المندب وأجزاء الصومال والب...