Pennsylvania State University

New type of black-hole quasar discovered

(Phys.org) —Like our Milky Way, every known large galaxy has at its center a supermassive black hole, some of which are surrounded by a super-bright disk of hot gas called a quasar—but now a research ...

Nov 08, 2013
4.4 / 5 (30) 5 | with audio podcast

Microbes help beetles defeat plant defenses

Some symbiotic bacteria living inside Colorado potato beetles can trick plants into reacting to a microbial attack rather than that of a chewing herbivore, according to a team of Penn State researchers who ...

Sep 09, 2013
5 / 5 (3) 0 | with audio podcast