University of Miami researchers develop a method to visualize protein interactions in a living organism’s brain
There are more than a trillion cells called neurons that form a labyrinth of connections in our brains. Each of these neurons contains millions of proteins that perform different…
Flatulent cows cause methane explosion on German farm
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|—||Anatole Broyard, from “Doctor, Talk to Me”. (via wayfaringmd)|
At the beginning of the 20th century, worldwide life expectancy was less than 40 years of age. Today the world average stands at around 70. The single biggest reason for this miraculous leap in longevity has been our ability to cure diseases.
8 deadly diseases cured by modern science
René-Théophile-Hyacinthe Laennec, inventor of the stethoscope
Laennec had discovered that the new stethoscope was superior to the normally used method of placing the ear over the chest, particularly if the patient was overweight. A stethoscope also avoided the embarrassment of placing the ear against the chest of a woman.
"In 1816, I was consulted by a young woman laboring under general symptoms of diseased heart, and in whose case percussion and the application of the hand were of little avail on account of the great degree of fatness. The other method just mentioned [direct auscultation] being rendered inadmissible by the age and sex of the patient, I happened to recollect a simple and well-known fact in acoustics, … the great distinctness with which we hear the scratch of a pin at one end of a piece of wood on applying our ear to the other. Immediately, on this suggestion, I rolled a quire of paper into a kind of cylinder and applied one end of it to the region of the heart and the other to my ear, and was not a little surprised and pleased to find that I could thereby perceive the action of the heart in a manner much more clear and distinct than I had ever been able to do by the immediate application of my ear."
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