Scientist’s hunt for COVID-19’s origin finds early virus sequences Chinese team deleted from NIH database
Controversy erupts over whether archived files found in cloud will clarify how SARS-CoV-2 entered humans
Controversy erupts over whether archived files found in cloud will clarify how SARS-CoV-2 entered humans
System sidesteps computing bottleneck in tuning artificial intelligence algorithms
Major platforms such as the Web of Science, widely used to generate metrics and evaluate researchers, are proprietary
Meteorites suggest cataclysmic “instability” occurred around the time of the Moon’s formation
Some worry the findings will stall efforts to halt logging—the root cause of declining caribou populations
The latest in science and policy
Newly identified microbe disables the viruses before they can infect the insects, potentially reducing disease transmission in people
To understand vulnerable glaciers, climate scientists extract ice from continent’s remote and stormy coast
Twelve-hundred-year-old burnt remains in Guatemala reflect political turmoil that led to the eventual collapse of empire
Matings between two species are often evolutionary dead ends. This one birthed a new species
U.S. space agency calls for new proposals to reduce mission’s cost