In the June 8 SN: Measles roars back, collapsars spin gold, a new kind of dementia, the Southern Ocean's secrets, Denisovans lived on top of the world, and more.
SLEEPING GIANT Bolshaya Udina, a volcano on Russia’s Kamchatka Peninsula, has long been inactive. Some scientists suggest the volcano is waking up, based on nearby seismic activity. But others say those rumblings may be linked to active volcanoes in the region.
gezyer/iStock/Getty Images Plus
ARCTIC HYENAS New fossil evidence shows that hyenas lived in the Arctic during the last ice age, as depicted in this illustration.
Julius T. Csotonyi
HOT MESS Scientists have found superflares erupting from older, sunlike stars, not just from young stars (one illustrated with an exoplanet).
NASA, ESA and D. Player/STScI
SHINE ON Diamond could be used in particle detectors to spot lightweight types of dark matter particles, if they exist.
SPbPhoto/Shutterstock
