The formation of pre–Silk Road Eurasian empires was driven partly by the spread of northern Chinese broomcorn millet; nanodiamonds and meltglass at Abu Hureyra point to a cosmic impact at the onset of the Younger Dryas; the collapse of Harappan society coincided with the loss of the Ghaggar River’s perenniality and the onset of the Meghalayan Stage; the breakdown of Easter Island society and the cessation of megalithic statue-building postdated European contact; and epigraphic evidence suggested a descent into total war during the Terminal Classic era of Mayan civilization.
Astronomers recorded, in the Ophiuchus galaxy cluster, the largest known post–Big Bang explosion, which lasted several hundred million years and created a void of fifteen galactic widths in the plasma around the cluster’s central black hole. “People were skeptical because of the size of the outburst,” said one of the scientists. “We don’t know why it’s so big.”
Mount Vesuvius turned a Herculaneum man’s brain to glass, according to archaeologists, who also revived the voice of a priest from the reign of Ramesses XI and determined that a mummy in the Ulster Museum had been stabbed in the back.
Veterinarians developed an ultrasound schedule for pregnant dolphins, and marine biologists discovered four new species of walking sharks and found that gray seals clap at each other to communicate underwater.
Automation of the labor force may lead humans to overcome their differences, and researchers seeking to use personal voice-assistance to detect dementia among their users were awarded a $12 million grant.