Southwest Drought Rivals Those of Centuries Ago, Thanks to Climate Change
The drought that has gripped the American Southwest since 2000 is as bad as or worse than droughts in the region over the past 1,200 years, a new Columbia-led study finds.
Climate-Driven Megadrought Is Emerging in Western U.S., Says Study
Scientists say a long-feared megadrought, worse than anything in recorded history, seems to be starting up in southwestern North America.
Finding the Brainy Genes That Make Us Human
Armed with advanced genetics, stem-cell technology and neuroscience, these two scientists are mapping the genetic factors that make the human brain unique.