Scientists are looking for answers about how these confounding trips, known as metastases, occur throughout the human body ...

The research indicates that the limitations on the size of proteins has been a crucial trigger in the development of life ...

Archaeal research and its growing importance have benefited from a community that is engaged in various collaborative efforts, which are highlighted here with examples for the sharing of resources ...

A study focusing on analyzing cell models found universality in their movement—an important discovery that could impact both ...

Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants.

Only recently has the ribosome - one of the oldest molecular machines in evolutionary terms - been recognized as an active regulator of gene expression at the level of protein biosynthesis.

Only recently has the ribosome—one of the oldest molecular machines in evolutionary terms—been recognized as an active ...

Organelles in cells were originally often independent cells, which were incorporated by host cells and lost their independence in the course of evolution.

Organelles in cells were originally often independent cells, which were incorporated by host cells and lost their independence in the course of evolution. Biologists are now examining the way in which ...

(Brief account only) Cell theory and cell as the basic unit of life; Structure of prokaryotic and eukaryotic cell ... Pollination-types, agencies and examples; Outbreeding devices; Pollen-Pistil ...

Penn State researchers propose that Earth and life have evolved together in a way that is more typical of life-supporting planets.