Fluorescent ruby-like gems have been found on Mars for the first time
uttu NASA’s Perseverance rover is on the hunt for gems NASA/JPL-Caltech/ASU/MSSS The Perseverance rover has found precious stones inside…
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The neuroscientist who wants us to be nicer to psychopaths
Think of a psychopath and you probably picture someone dangerous, someone whose ruthless self-interest leads to great harm…
Ice core reveals low CO2 during warm spell 3 million years ago
The drilling site at Allan Hills in Antarctica where researchers extracted a 3-million-year-old ice core Austin Carter Bubbles…
The mystery of how volcanic lightning happens has been solved
Lightning strikes over Volcán de Agua in Guatemala Mario Dalma Leon/Getty Images Physicists have solved a longstanding mystery…
The autism spectrum isn’t a sliding scale; 39 traits show the complexity
Autism is a spectrum. This metaphor is a helpful way to explain why autism looks and feels so…
The Pentagon is backing nuclear waste recycling for long-lasting military power sources
Every atom is a coiled source of power. But some atoms pack more punch than others. The radioactive…
Galaxies without dark matter mystify astronomers
The first time I heard about galaxies without dark matter, I was sitting in my very first graduate…
New drugs and treatments transform kidney care
This article is part of “Innovations In: Kidney Disease,” an editorially independent special report that was produced with…
Beyond weight loss—how the GLP-1 story is evolving
Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. In early March the…
Poems: Math limericks | Scientific American
Infinity I searched for the end of infinityAn activity of great affinityI took a dry runAnd kept adding…