Vast patches of glassy rock in Chilean desert likely created by ancient exploding comet
Around 12,000 years ago, something scorched a vast swath of the Atacama Desert in Chile with heat so intense that it turned the sandy soil into widespread slabs of silicate glass. Now, a research team studying the distribution and composition of those glasses has come to a conclusion about what caused the inferno. In a […]
Superbugs in Seniors Led to Nearly 12,000 Deaths in a Single Year
Six common antibiotic-resistant microbial infections in Medicare-age Americans resulted in close to 12,000 deaths in 2017, and cost the U.S. nearly $1.9 billion, a new study found. This population of older Americans, therefore, accounted for more than one-third of the total national costs and deaths associated with antimicrobial resistance, reported David Hyun, MD, director of […]