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U.S.

Analysis of radar records revealed that at their height more than 45 million grasshoppers—30.2 metric tons—swarmed Las Vegas one 2019 summer night. Artificial light and an unusually moist spring likely caused the onslaught.

MEXICO


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An ancient “eagle shark” fossil, discovered in Nuevo León, has long, thin fins that stretch about 1.9 meters—farther than its 1.65-meter body length. A new study suggests the shark lived 93 million years ago and filled a filter-feeding niche that is held by manta rays today.

NORWAY

Researchers at last identified the origin of translucent spheres, up to a meter wide, found by divers off western Norway: the almost featureless blobs each carry hundreds of thousands of squid eggs in mucus. Samples from the spheres revealed embryos of the species Ilex coindetii at different stages of development.

RWANDA

Young mountain gorillas that lose their mothers fare just as well as their peers that do not, according to 53 years of data from the Gorilla Fund's Karisoke Research Center. The social group apparently helps raise the young apes, avoiding ill effects seen in many primates and other social animals.

RUSSIA

Underneath Siberia's Lake Baikal, Earth's deepest lake, a large new neutrino-detecting telescope has joined the quest to measure these almost massless subatomic particles. The freshwater and ice deflect cosmic rays but let through neutrinos—and maybe dark matter and other exotic particles—to hit the telescope's detectors.

JAPAN

Cherry blossom season's peak this year came at its earliest yet, according to records stretching back to A.D. 812. The previous earliest peak occurred one day later than this year's, in March of 1409. Japan's detailed records of such events help scientists track changing climate conditions.

Sarah Lewin Frasier is Scientific American's assistant news editor. She plans, assigns and edits the Advances section of the monthly magazine, as well as editing online news. Before joining Scientific American in 2019, she chronicled humanity's journey to the stars as associate editor at Space.com. (And even earlier, she was a print intern at Scientific American.) Frasier holds an A.B. in mathematics from Brown University and an M.A. in journalism from New York University's Science, Health and Environmental Reporting Program. She enjoys musical theater and mathematical paper craft.

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Scientific American Magazine Vol 324 Issue 6This article was originally published with the title “Quick Hits” in Scientific American Magazine Vol. 324 No. 6 (), p. 17
doi:10.1038/scientificamerican0621-17