PolicyHuman Genome Editing: Who Gets to Decide?A report from the National Academies says scientists alone can't make the call—they must engage with the broader publicDietram A. Scheufele and David Beier
EARTHSpectacular Images of Mount Saint Helens's EruptionThe 1980 eruptive sequence completely changed the landscape around Mount Saint Helens. Geologists flocked there to measure and investigate, taking thousands of photos in the process...Dana Hunter
Tears Are More Than Salt WaterResearch finds that tears are actually composed of a salt water layer sandwiched between a layer of fat and a layer of mucus, the better to keep the surface of the eye moist.
Tails win: Gecko tails dance to avoid predatorsLizards are well known for snapping off their tails when a predator snags them from behind, but that defense strategy doesn’t mean it's game over for the disembodied tail.Carina Storrs
BiologyWhat Is CRISPR, and Why Is It So Important?This revolutionary gene-editing system has taken science by storm.June 22, 2021
Space & PhysicsSpace & PhysicsExperience Seven Minutes of Terror in New Perseverance Mars Rover Landing VideoFebruary 22, 2021