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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
- About Us
Putting Medicine to the Test
10 July 1998 7:00 pm
Claude Bernard, a French researcher credited with founding the field of experimental medicine, was born on 12 July 1813. While conducting experiments on an animal fed a sugar-free diet, Bernard discovered that the liver stores sugar as glycogen. In other animal studies, he observed that pancreatic juices break down fats and starches and that certain nerves control blood flow by triggering veins to constrict or dilate. Bernard also discovered that red blood cells carry oxygen in the body. Bernard's most important theoretical contribution was his observation that life requires a stable internal environment, or "milieu interior."