Results tagged “Virus”

An international research project led by the University of Granada has revealed for the first time that almost one billion viruses and more than twenty million bacteria circulate in the Earth's atmosphere and are deposited in high-mountain places every day.

New Type Of Virus Found In Earth's Ocean

Electron microscope images of marine bacteria infected with the non-tailed viruses studied in this research. The bacterial cell walls are seen as long double lines, and the viruses are the small round objects with dark centers.

NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water.

Evidence that Viruses are Alive

Their diversity makes viruses difficult to classify. A new study uses protein folds as evidence that viruses are living entities that belong on their own branch of the tree of life.

« Previous  1  Next »