science

The Penn-led team discovered how Salmonella enterica can persist and cause chronic infections. Credit: Image courtesy of University of Pennsylvania The body's innate immune system is...

Electron micrograph of the stomach bacteria Helicobactor pylori. A research team including Penn State scientists has discovered that a burst of rapid evolution immediately...

New findings help to explain why we humans have some immune genes that are almost identical to those of chimpanzees. Credit: © ussatlantis / Fotolia New...

The Burton lab studies tiny, plastic particles as a model for more complex systems. The particles are suspended in a vacuum chamber filled with...

The electron wave function A canister of liquid helium inside the blue cylinder allowed researchers to experiment with tiny electron bubbles only 3.6 nanometers...

Close-ups of an experiment conducted by John Bush and his student Daniel Harris, in which a bouncing droplet of fluid was propelled across a...

Artist's abstraction (stock illustration). Credit: © agsandrew / Fotolia Two USC researchers have proposed a link between string field theory and quantum mechanics that could open...

Vincent Daris, Hans Bachor, Jiri Janousek, Michael Taylor and Joachim Knittel. Dr David Turton, the ultrafast laser expert who carried out the laser experiments. Credit: Image...

Vincent Daris, Hans Bachor, Jiri Janousek, Michael Taylor and Joachim Knittel. Credit: Image courtesy of Australian National University A team of Australian scientists has developed a...

This image shows the Quantum Optics and Information Lab, Joseph Ho. Credit: Griffith University Griffith's Professor Geoff Pryde, who led the project, says that such processes...

Physicists use an interferometer to test whether standard quantum mechanics is correct, or whether a more complex version is required. They used the interferometer...