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Thursday, March 30, 2023
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Mark Mancini


The Nebra Sky Disc: Early Calendar, Ancient Astronomical Art or Simply a Fake?

"The Nebra Sky Disc, the oldest known realistic representation of the cosmos ever found, was possibly used as an advance

What Are Isotopes?

"Each isotope is named on the basis of its mass number, which is the total combined number of neutrons and protons in an

Where Have All the Seashells Gone?

"Sanibel Island, Florida, has had a seashell poaching ban in place since 1995. The results have left its beaches full of

5 Hugely Fun Facts About Mass (Not Weight)

"A tiny leaf cutter ant carrying a huge leaf in his mouth while zipping along the edge of a sidewalk in the Soberania Na

What’s the Coldest Place on Earth?

"Shallow depressions in a high-elevation part of the East Antarctic Plateau have the capacity to become the coldest plac

Earth Hits 400 Straight Months of Hot

"Hot enough for you? The temperature on June 20, 2017 in Phoenix, Arizona. The 400-month unbroken streak of worldwide ho

Scientific Notation Is Math’s Version of Shorthand

"Scientific notation helps you take absurdly large numbers, like 120 sextillion, and write them in what could be conside

Scorching Heat in Pakistan May Have Set a World Record

"Pakistanis cool themselves off in a water channel during a heat wave in June 2017. ARIF ALI/AFP/Getty ImagesInstead of

What’s the Difference Between Pyrite and Gold?

"Pyrite, like this from the Victoria Mine in Rioja, Spain, often forms in sharply defined cubes. You can understand why

Why Ice Usually Freezes Cloudy, Not Clear

"The Icehotel in Jukkasjärvi, Sweden, is famous for curating huge blocks of ice straight from the Arctic Torne River. Th

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