Science & Technology
Geobiologists shine new light on Earth’s first known mass extinction event 550 million years ago
A new study by geobiologists traces the cause of the first known mass extinction of animals to decreased global oxygen availability, leading to the loss of a majority of animals present near the end of the Ediacaran Period some 550 million years ago.
In ironic twist, CRISPR system used to befuddle bacteria
Researchers flip nature’s script by engineering a virus to carry a CRISPR system to change a bacterium’s genes.
Rethinking how we treat atrial fibrillation
A national study is shedding light on how to more effectively treat atrial fibrillation (AF) — a common heart rhythm problem associated with increased risk of stroke and heart failure. The study shows that early intervention with cryoballoon catheter …