内容摘要：When the brain is understimulated and looking for change, it’ll usually grab onto the first thing it sees. The smartphone, an “ever-producing change machine,” is an enticing option, said Cindy Lustig, a cognitive neuroscientist at the University of Michigan.

When the brain is understimulated and looking for change, it’ll usually grab onto the first thing it sees. The smartphone, an “ever-producing change machine,” is an enticing option, said Cindy Lustig, a cognitive neuroscientist at the University of Michigan.

, red-eyed periodical cicadas that have pumps in their heads and jet-like muscles in their rears,in numbers not seen in decades and possibly centuries.

Crawling out from underground every 13 or 17 years, with a collective song as loud as jet engines, the periodical cicadas are nature’s kings of the calendar.These black bugs with bulging eyes differ from their greener-tinged cousins that come out annually. They stay buried year after year, until they surface and take over a landscape, covering houses with shed exoskeletons and making the ground crunchy.This spring, an unusual cicada double dose is about to invade a couple parts of the United States in what University of Connecticut

expert John Cooley called “cicada-geddon.” The last time these two broods came out together in 1803 Thomas Jefferson, who wrote about cicadas inbut mistakenly called them locusts, was president.

“Periodic cicadas don’t do subtle,” Cooley said.

If you were fascinated by thePlayers, some wearing headscarves, huddle during competition in Aubervilliers near Paris, Sunday, April 27, 2025. (AP Photo/Thomas Padilla)

Players, some wearing headscarves, huddle during competition in Aubervilliers near Paris, Sunday, April 27, 2025. (AP Photo/Thomas Padilla)Players react during a basketball game in Aubervilliers near Paris, Sunday, April 27, 2025. (AP Photo/Thomas Padilla)

Players react during a basketball game in Aubervilliers near Paris, Sunday, April 27, 2025. (AP Photo/Thomas Padilla)Former player Salimata Sylla welcomes players before a women’s basketball tournament where players can wear a headscarf, in Aubervilliers near Paris, Sunday, April 27, 2025. (AP Photo/Thomas Padilla)