News
- Particle Physics
A supersensitive dark matter search found no signs of the substance — yet
The LZ experiment’s first measurement raises hopes that scientists are closer than ever to finding the source of much of the universe’s mass.
- Paleontology
A newfound dinosaur had tiny arms before T. rex made them cool
A predecessor to Tyrannosaurus rex, Meraxes gigas had a giant head and puny but muscular arms, suggesting the limbs served some purpose.
- Health & Medicine
College COVID-19 testing can reduce coronavirus deaths in local communities
Counties with colleges that did COVID-19 testing fared better against the coronavirus in fall 2020 than towns with colleges that did not test.
