In mammals, embryonic development requires a placenta that forms by implantation of the blastocyst in the maternal organism. The placenta is an autonomous and transitory organ that allows nutritional ...

Tourists visiting an unfamiliar city would have a hard time finding their way around if they were using nothing but a topological map, no matter how detailed. Most tourist maps, therefore, highlight ...

Tourists visiting an unfamiliar city would have a hard time finding their way around if they were using nothing but a topological map, no matter how detailed. Most tourist maps, therefore, highlight ...

Today's bulletin from the Family Health Care Institute (one of the King Hussein Foundation's institutes) discusses celiac disease, which is considered a chronic immune disorder characterized by an ...