In the July 21 SN: Portraits of a galaxy’s ecosystem, sleep and Alzheimer’s, poliovirus vs. glioblastoma, Parker Solar Probe previewed, mind-reading robots, a new ancient gibbon and more.
DRY TIMES A 200-year drought 4,200 years ago that caused civilizations to collapse across the globe marks the start of the newly designated Meghalayan Age. As seen in this photo from Algeria in 2017, droughts still occur during this ongoing geologic time period.
WATER WOES For years, residents in Flint, Mich., have had to rely on bottled water from water pickup sites (one shown) after corroded city pipes sent lead levels in tap water skyrocketing.
USDA/Flickr
GUT FEELING Ötzi’s stomach was covered in fungi, but researchers still managed to reveal new details about the Iceman’s last meal.
M. Samadelli/Eurac Research and South Tyrol Museum of Archaeology ©
