Médecins Sans Frontières
Médecins Sans Frontières () (English : Doctors Without Borders, its official name in the United States ) is a secular humanitarian-aid non-governmental organization best known for its projects in war-torn regions and developing countries facing endemic disease .
Méde more
Pneumonia
Pneumonia is an inflammatory illness of the lung . Frequently, it is described as lung parenchyma /alveolar (microscopic air-filled sacs of the lung responsible for absorbing oxygen from the atmosphere ) inflammation and (abnormal) alveolar filling. Pneumonia can result from a vari more
Evolution
In biology , evolution is a change in the inherited traits of a population from one generation to the next. These traits are the expression of gene s that are copied and passed on to offspring during reproduction . Mutation s in these genes can produce new or altered traits, res more
G. Ledyard Stebbins
George Ledyard Stebbins, Jr. (January 6 1906 – January 19 2000 ) was an American botanist and geneticist who is widely regarded as one of the leading evolutionary biologists and botanists of the 20th century. Stebbins received his Ph.D. in botany from Harvard Uni more
Cyclol , mainly because it eliminates the resonance stabilization of the peptide bond . This reaction was the basis of Dorothy Wrinch's cyclol model of proteins.
The cyclol hypothesis is the first structural model of a folded , globular protein . The same studies appeared to show that the mo more