Why do some COVID-19 patients infect many others, whereas most don’t spread the virus at all?
Preventing big clusters of cases would help curb the pandemic, scientists say
Preventing big clusters of cases would help curb the pandemic, scientists say
Rapid color changes may prevent these predators from impaling one another during group attacks
Foundation’s move leaves questions about how to fund peer review
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
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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