In the July 7 SN: The impact hypothesis that won’t die, CAR-T cell therapy upgrades, bad news for Antarctica, a quoll conundrum, honeybees know zero, how volcanoes kill, Jupiter’s polar lightning and more.
PARTICULATE PURSUITS Lightweight particles from outer space called neutrinos, caught by particle detectors like the IceCube Neutrino Observatory in Antarctica (shown), are giving new insight into a menagerie of celestial objects.
Martin Wolf, IceCube/NSF
HOME BASE Scientists traced a high-energy neutrino back to its source: a blazar, a galaxy harboring a supermassive black hole that fuels powerful jets of particles.
Science Communication Lab/DESY
COSMIC CLOAK Whirls of cold and hot gas billow in this simulation of a circumgalactic medium surrounding a galaxy. With new tools and simulations, researchers have learned that the CGM helps a galaxy recycle its materials.