Aristocratic family trees became scientific model

Before the French Revolution, family trees were reserved for the feudal upper classes, who used them to consolidate their social status. While feudalism broke down and family trees lost their old roles, the trees gained new ...

Large cosmological simulation to run on Mira

An extremely large cosmological simulation—among the five most extensive ever conducted—is set to run on Mira this fall and exemplifies the scope of problems addressed on the leadership-class supercomputer at the U.S. ...

Methane emissions spike: Is there one main culprit?

The level of methane in the atmosphere has risen dramatically in the last decade—and climate scientists are worried. Although there's still roughly 60 times less of it floating around than carbon dioxide, the gas heats ...

page 27 from 40