Brown University

How a microbial biorefinery regulates genes

Microorganisms that can break down plant biomass into the precursors of biodiesel or other commodity chemicals might one day be used to produce alternatives to petroleum. But the potential of this "biorefinery" ...

Feb 14, 2013
4.6 / 5 (5) 0 | with audio podcast

Tendency to fear is strong political influence

It's no secret that fear is a mechanism often used in political campaigns to steer public opinion on hot-button issues like immigration and war. But not everyone is equally predisposed to be influenced by such a strategy, ...

Feb 05, 2013
5 / 5 (3) 1

When the cell's two genomes collide

(Phys.org)—Plant and animal cells contain two genomes: one in the nucleus and one in the mitochondria. When mutations occur in each, they can become incompatible, leading to disease. To increase understanding ...

Feb 05, 2013
5 / 5 (2) 2 | with audio podcast

Confirmed: How plant communities endure stress

(Phys.org)—The Stress Gradient Hypothesis holds that as stress increases in an ecosystem, mutually supportive interactions become more significant and negative interactions, such as competition, become ...

Jan 30, 2013
5 / 5 (1) 0

Aging cells lose their grip on DNA rogues

(Phys.org)—Transposable elements are mobile strands of DNA that insert themselves into chromosomes with mostly harmful consequences. Cells try to keep them locked down, but in a new study, Brown University ...

Jan 30, 2013
5 / 5 (2) 0 | with audio podcast

DNA prefers to dive head first into nanopores

(Phys.org)—In the 1960s, Nobel laureate Pierre-Gilles de Gennes postulated that someday researchers could test his theories of polymer networks by observing single molecules. Researchers at Brown observed ...

Jan 08, 2013
4.3 / 5 (3) 0 | with audio podcast

Next for Mars rover: Mountain mapping

All of planet Earth seemed to follow the rover Curiosity's harrowing descent to the surface of Mars. Curiosity's early discoveries showed that liquid water once flowed on the Martian surface, but the big ...

Dec 07, 2012
5 / 5 (3) 2

How native and exotic plants coexist

When people hear about exotic plants invading a new environment, there is usually a negative connotation. They often think of plants like kudzu, Chinese privet, or Japanese honeysuckle, whose thuggish behavior can push out ...

Nov 30, 2012
5 / 5 (1) 0