Tag: science
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Medical lessons from giraffes
There is a story of a man going to a zoo for the first time and, after staring at a giraffe in astonishment, exclaimed, ‘‘There ain’t no such animal!’’1 Yet African giraffes have long been known to Europeans. They are the tallest living land animals in the world, and more recently have interested medical researchers.…
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Nicholas Cusanus
Avi OhryTel Aviv, Israel Non-medical scientists and scholars often contribute substantially to medicine. Nicolaus Cusanus (1401–1464), also known as Nicholas of Cusa and Nikolaus Krebs von Kues, was a German cardinal of the Roman Catholic Church, philosopher, jurist, mathematician, and astronomer. In Padua he earned a doctorate in canon law in 1423. He became a…
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Ming the clam: Methodical measurement of the maturity of the Methuselah of mollusks
Howard FischerUppsala, Sweden “Clams don’t carry birth certificates.”– Samantha Larson, National Geographic1 The maximum human lifespan is about 120 years, and research continues to find ways to increase that maximum. Knowing the maximum lifespan of other species and how they manage to achieve it may be of value. Zoologists have two strict criteria when defining…
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Mileva Maric-Einstein
Mirjana Stojković-IvkovićBelgrade, Serbia Mileva Marić was the first wife of Albert Einstein. Although she worked with him for many years, her overall contribution to his success has never been clearly determined. She was born in Serbia in 1875 and had one leg shorter than the other, which caused her to limp. She had a brilliant…
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Carl Linnaeus—The young botanist, natural scientist, and physician
Göran WettrellLund, Sweden Carolus Linnaeus, ennobled Carl von Linné in 1761, is one of the great sons of Sweden. At an early age, he demonstrated an interest in nature and plants. His lifelong passion was the ordering and classification of plants, animals, minerals, and diseases. Young Linnaeus Linnaeus was born in a small village in…
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Scientific discoveries in dreams: Sleeping while the mind works
Edward TaborBethesda, Maryland, United States Some major scientific discoveries have been revealed in dreams during sleep. Since ancient times, Western culture has included a deep belief in the power of dreams to provide information. The Greek philosopher Heraclitus (c. 500 BC) spoke of how “even in their sleep men are at work.”1 The Roman emperor…
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The periodic table of the elements
In this system hydrogen is assigned the number one, lithium is three, carbon six, nitrogen seven, oxygen eight, etc. The elements are organized in rows or periods and columns or groups according to their atomic weight. The elements were discovered beginning in the 18th century when the Swedish chemist Carl Wilhelm Scheele discovered oxygen (1772),…
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Love thy neighbour?: Peace-loving primates
JMS PearceHull, England One of the greatest mysteries about human beings is the contrast between their intelligence, inventiveness, creativity and their extraordinary compulsion for self-destruction and violence. How can humans, blessed with compassion, charity and sympathy, combined with knowledge, self–awareness and understanding, so readily embrace acts of violence, destruction of ourselves both individually and collectively?…
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Röntgen’s birthplace
Arpan K. BanerjeeSolihull, United Kingdom November 8th is World Radiology Day and celebrates the discovery of X-rays by Röntgen, who was a fifty-year-old relatively unknown physics professor at the University of Wurzburg in 1895 when he made his important discovery. Wilhelm Conrad Röntgen was born on 11 March 1845 in the house shown in the…
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Opium and its derivatives
Humans have taken psychotropic drugs since time immemorial, for pleasure and for pain. Opium was used by the Sumerians during the Neolithic era and mentioned in the Egyptian Papyrus Ebers and in ancient Chinese manuscripts. It was prescribed by the Greek and Roman physicians, by Hippocrates, Dioscorides, Pliny, Celsus, and Galen. The Roman emperor Marcus…