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U.S.

A hiker found two rusted, unexploded bombs from 1935 on the Mauna Loa volcano on Hawaii's Big Island. The bombs had been intended to help divert lava flow during an eruption.

FRANCE


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Researchers report dinosaur footprints up to 1.25 meters long on the roof of a cave in France, likely coming from a type of titanosaur. Geologic processes buried and shifted the shoreline footprints to the cave's roof, 500 meters deep.

KENYA

A 20-year experiment revealed that cattle-grazing areas frequented by elephants store almost twice as much carbon as areas that bar the animals; soil in these areas also has higher nutrient levels.

GERMANY

In a Leipzig waste site, scientists found a soil bacterium that can break down components of polyurethane—and survive the toxic chemicals released in the process.

OMAN

Daily growth rings on a 70-million-year-old fossilized mollusk indicate that Earth turned faster at the time, squeezing 372 days into each year. The creature's former habitat, a shallow seabed, is now on a mountain in Oman.

AUSTRALIA

Seven new peacock spider species—including one with a van Gogh Starry Night–like design—were discovered among crowd-sourced photographs from across the continent. The spiders are known for their vividly colored abdomens.

Sarah Lewin Frasier is a senior editor at Scientific American. She plans, assigns and edits the Advances section of the monthly magazine, as well as editing online news, and she launched Scientific American’s Games section in 2024. 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.

More by Sarah Lewin Frasier
Scientific American Magazine Vol 322 Issue 6This article was published with the title “Quick Hits” in Scientific American Magazine Vol. 322 No. 6 (), p. 17
doi:10.1038/scientificamerican0620-17

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