Dr. Paul B. Weisz, a 28-year-old refuges from Austria now serving as assistant professor of biology at Brown University, Providence, R.I., has discovered what may roughly he termed a third ...

There are many kinds of infections that happen to human beings. People infected with different infections, react differently to diseases and symptoms caused by it. Some infections are common and ...

The cellular compartment of the vertebrate host innate immune system has been shown to have an important role in early resistance and the development of acquired immunity and, in some instances, in ...

Humankind's remotest relative is a very rare micro-organism from south-Norway. The discovery may provide an insight into what life looked like on earth almost one thousand million years ago.

Protozoa are small, single-celled organisms that live in moist environments, such as ponds, swamps, and soils. They can survive themselves or sometimes live as a parasite inside the plants or animals.