Rachel Carson
Rachel Louise Carson (May 27 , 1907 – April 14 , 1964 ) was an American marine biologist and nature writer whose writings are often credited with launching the global environmental movement .
Carson started her career as a biologist in the U.S. Bureau of Fisheries , and t 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
Saffron
Saffron () is a spice derived from the flower of the saffron crocus (Crocus sativus), a species of crocus in the family Iridaceae . The flower has three stigma s, which are the distal ends of the plant's carpel s. Together with its style, the stalk connecting the stigmas to the rest of more
RNA interference trims double stranded RNA, to form small interfering RNA or microRNA . These processed RNAs are incorporated into the RNA-induced silencing complex (RISC), which targets messenger RNA to prevent translation .
RNA interference (RNAi) is a mechanism that inhibits gene expression more
Convention on Psychotropic Substances
The Convention on Psychotropic Substances is a United Nations treaty designed to control psychoactive drug s such as amphetamine s, barbiturate s, and psychedelics . During the 1960s, drug use increased greatly around the world, especially in Western nations. more