The Ishango Bone, a 20,000-year-old artifact discovered in Africa, represents one of the earliest known tools that demonstrate our ancestors’ understanding of numbers, patterns, and arithmetic.

The Ishango bone is an ancient artifact found in 1960 off the shores of Lake Edward, near the modern border of Uganda and the Democratic Republic of Congo.The artifact, made from a baboon fibula ...

The Ishango bone from Africa's Congo region indicates that Homo sapiens have been making "tallies" — a kind of counting — for at least 20,000 years. The 4-inch-long (10 centimeters) bone ...

The 20,000-year-old Ishango Bone - found near one of the sources of the Nile in the Democratic Republic of Congo - seems to use matched tally marks on the thigh bone of a baboon for correspondence ...

Today, people use complex computing networks to search for prime numbers with millions of digits. But early mathematicians were running these calculations by hand.

The Ishango bone, as it is now called, was thinned down, polished, and engraved, with a piece of quartz protruding from the top. What really set the artifact apart, however, were the defined markings ...

As the Ishango bone, the Plimpton 322 tablet and other artifacts throughout history display, prime numbers have fascinated and captivated people throughout history. Today, ...

Archaeologists have dug up many ancient, notched bones all around the world, but the Ishango bone is different. On it, there are markings that suggest its owners were making the first attempts at ...

As the Ishango bone, the Plimpton 322 tablet and other artifacts throughout history display, prime numbers have fascinated and captivated people throughout history.

As the Ishango bone, the Plimpton 322 tablet and other artifacts throughout history display, prime numbers have fascinated and captivated people throughout history. Today, ...