Above-average precipitation helped spur deadly Wash. landslide -- USGS
Many unanswered questions remain surrounding last month's massive, deadly landslide in northwest Washington, but geologists are fairly certain that higher-than-average rainfall played an important role.
Researchers resolve misunderstanding about how some lithium batteries function
In the push for batteries that store more energy and cost less, many researchers are chasing diminishing performance returns with exotic materials and chemistries, including lithium air, liquid metal and molten salt. One of the problems is that scientists are still grappling with the fundamental physics behind batteries and are finding out that in some instances, they've been going about it all wrong.