This week's research roundup looks at a new $5.5 million Â鶹Ãâ·Ñ°æÏÂÔØBoulder study on the impact of marijuana legalization; a groundbreaking female solar observer being brought to light with new research; the de-policing efforts in Ferguson, Missouri; and a rash of earthquakes in Colorado and New Mexico thought to be caused by wastewater disposal.
$5.5 million study to probe impact of marijuana legalization on use, behavior, mental health
Researchers are studying 5,000 twins to paint a more accurate picture of how marijuana use changes as a result of legalization and how those changes may impact health in the long run.
New study highlights 'hidden figure' of sun-watchers
Few have heard of Hisako Koyama, but her work places her among the top solar observers of the past four centuries, alongside names like Galileo, according to new research.
Post-Ferguson 'de-policing' more pronounced in nonwhite areas, study finds
While traffic stops and arrests have fallen in nonwhite areas of Ferguson, Missouri, crime rates remain steady, suggesting cops previously had been "over-policing" these areas.
Raton Basin earthquakes linked to oil and gas fluid injections
A rash of earthquakes in Colorado and New Mexico between 2008 and 2010 was likely due to fluids pumped deep underground during oil and gas wastewater disposal, says a new study.