Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Olfactory cells aid spine healing in rats
Injections of olfactory ensheathing glial cells from the brain help severed spinal cords heal in rats.
- Humans
From the September 17, 1932, issue
ANOTHER GREAT WALL The Great Wall of China, winding like a mighty, protecting serpent along the old northern boundary of the Celestial Kingdom– Hadrian’s Wall, the Great Wall of Britain, built and fortified to shut the barbarians of the north out of southern Britain in Roman days– And now, added to this small, select list […]
- Health & Medicine
Conquering Surgical Pain
Created by the Neurosurgical Service at the Harvard Medical School and Massachusetts General Hospital (MGH), these fascinating Web pages chronicle the introduction of ether as an anesthetic in 1846 at MGH and subsequent developments in anesthesiology. Go to: http://neurosurgery.mgh.harvard.edu/History/ether1.htm
- Health & Medicine
Chocolate Therapies (with Recipe for Janet’s Chocolate Medicinal Mousse Pie)
Recently harvested cacao pods. Each holds several dozen seeds, from which chocolate and cocoa are made. (Allen M. Young) Copy of 1688 engraving by Phillippe Sylvestre Dufour of South American native with a chocolate pot and drinking cup at his feet and a molinet to stir the medicinal brew in his left hand. In his […]
- Humans
From the March 15, 1930, issue
LARGEST BOILER One of the three largest boilers in the world is shown on the front cover. The boilers were recently installed in the East River station of the New York Edison Company to run the largest single-unit electric generator in the world. If this 215,000-horsepower turbo-generator had been developed in 1906, it could have […]
- Health & Medicine
Is Snoring a DiZZZease?
Snoring may trigger high blood pressure, which can lead to heart disease or stroke.
- Health & Medicine
HIV sexual spread exploits immune sentinels
The virus that causes AIDS latches onto a protein called DC-SIGN to hitch a ride on immune cells in mucus membranes and spread through the body.
- Health & Medicine
Cell transplants combat diabetes in mice
Scientists have successfully reversed diabetes in mice by harvesting immature pancreatic cells that make insulin from one mouse, growing them in culture, and transplanting them into a mouse with the disease, which then recedes.
- Health & Medicine
Smoking Gun? Mouse tests link nicotine to crib death
Nicotine may impair a molecule that's necessary for arousing people and other animals from sleep, an effect that could account for the heightened risk of sudden infant death syndrome in babies born to women who smoked during pregnancy.
- Humans
From the March 8, 1930, issue
LEAVES OLDER THAN GRAND CANYON FOUND Fossil remains of plants found in the walls of the Grand Canyon show that many millions of years ago stunted vegetation of very singular aspect grew in a great, red, sandy floodplain under a semi-arid climate in northern Arizona. This great red land has been found by Dr. David […]
- Humans
Small Steps: World Summit delegates wrangle over eco-friendly future
Twenty thousand delegates from around the world met in Johannesburg last week for a contentious World Summit on Sustainable Development.
- Humans
From the September 10, 1932, issue
COVER PICTURE PURSUED OVER NEW ENGLAND HILLS By chasing a blue hole in the screen of cloud that covered part of New England, a party of eclipse observers that included Prof. John Q. Stewart, Princeton astronomer, successfully saw the corona in clear sky and obtained the News Letter‘s cover picture. Originally they planned to view […]
