While toilet bowls are designed such that the contents are supposed to flush downward, scientists have known for decades that ...

Its complex network of cells, organs, proteins, and tissues enables the immune system to defend the body from pathogens. A fully functional immune system can distinguish healthy tissue from ...

Tobacco mosaic virus is used by scientists as a model organism in order to help them understand the spread of diseases. HIV close HIVHuman Immunodeficiency Virus, a disease which damages cells in ...

Emerging infectious diseases are infections that have recently appeared within a population or those whose incidence or geographic range is rapidly increasing or threatens to increase in the near ...

A study conducted by researchers from São Paulo State University (UNESP), in Brazil, and collaborators shows that lemon ...