Brown University

Reconstructing the African humid period

During the end of the last ice age, there were dramatic changes in rainfall across a vast swath of Africa. As the world's large ice sheets receded in northern and southern latitudes, rainfall in much of Africa ...

Dec 05, 2014
4.8 / 5 (11) 2

'Sleeping dogs' threaten the genome as we age

The genomes of many organisms, humans included, are littered with repetitive sequences of DNA called retrotransposons. In a new "Perspective" in the journal Science, four biologists write that while most r ...

Dec 05, 2014
5 / 5 (5) 0

A habitable environment on Martian volcano?

(Phys.org) —Heat from a volcano erupting beneath an immense glacier would have created large lakes of liquid water on Mars in the relatively recent past. And where there's water, there is also the possibility ...

May 27, 2014
4.9 / 5 (17) 4

Boron 'buckyball' discovered

The discovery 30 years ago of soccer-ball-shaped carbon molecules called buckyballs helped to spur an explosion of nanotechnology research. Now, there appears to be a new ball on the pitch.

Jul 13, 2014
4.6 / 5 (48) 6

Under California: An ancient tectonic plate

(Phys.org) —The Isabella anomaly—indications of a large mass of cool, dehydrated material about 100 kilometers beneath central California—is in fact a surviving slab of the Farallon oceanic plate. Most ...

Mar 18, 2013
5 / 5 (7) 3 | with audio podcast

A new twist makes for better steel

In steelmaking, two desirable qualities—strength and ductility—vary indirectly: Stronger steel is less ductile, and more ductile steel is not as strong. Engineers at Brown University, three Chinese universities, ...

Apr 08, 2014
4.6 / 5 (19) 5