Asperger syndrome
Asperger syndrome (U.S. pronunciation /, also called Asperger's syndrome, Asperger's disorder, Asperger's or AS) is one of several autism spectrum disorders (ASD) characterized by difficulties in social interaction and by restricted, stereotyped interests and activities. AS is more
Tooth development
Tooth development is the complex process by which teeth form from embryo nic cells , grow , and erupt into the mouth . Although many diverse species have teeth, non-human tooth development is largely the same as in humans. For human teeth to have a healthy oral environment, 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
Chagas disease
Chagas' disease (also called American trypanosomiasis) is a human tropical parasitic disease which occurs in the Americas , particularly in South America . Its pathogen ic agent is a flagellate protozoa n named Trypanosoma cruzi , which is transmitted to humans and other mammal more
Blaise Pascal
Blaise Pascal (), (June 19 1623 – August 19 1662 ) was a French mathematician , physicist , and religious philosopher . He was a child prodigy who was educated by his father. Pascal's earliest work was in the natural and applied science s where he made important contribut more