Pennsylvania State University

New candidate for most distant object in universe

( -- A gamma-ray burst detected by NASA's Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion light years, ...

dateMay 25, 2011 in Astronomy
shares0 comments 8

Skin color: Handy tool for teaching evolution

Variations in skin color provide one of the best examples of evolution by natural selection acting on the human body and should be used to teach evolution in schools, according to a Penn State anthropologist.

dateFeb 20, 2011 in Evolution
shares0 comments 55

Microbes turn electricity directly to methane

( -- A tiny microbe can take electricity and directly convert carbon dioxide and water to methane, producing a portable energy source with a potentially neutral carbon footprint, according to a team of Penn State ...

dateMar 30, 2009 in Biochemistry
shares0 comments 1