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Mathematics Jun 2, 2025

Prime numbers have fascinated mathematicians for centuries—technology is revolutionizing the search

A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique—the etchings, lines like tally marks, may have represented prime numbers. Similarly, ...

Archaeology May 31, 2025

Ancient DNA unravels ancestral secrets of classic Maya period

Beneath the surface of present-day western Honduras lie the ruins of Copán—an archaeological site that once stood as a vital city in the classic Maya world, situated at the crossroads between Central and South America.

Paleontology & Fossils May 27, 2025

The world's best-preserved fossils are right outside Chicago: But there are no dinosaur bones at Mazon Creek

Sixty-five miles southwest of Chicago, a small hill that looks like a prop from an Indiana Jones movie breaks up the flat, monotone landscape. Consisting of shale, sandstone and rocks from an old coal mine, the waste pile—located ...

Ecology May 22, 2025

Study reveals dietary shift of native New Zealand gulls

When you think of gulls in Auckland you probably picture a large black-backed pirate, swooping down to snatch hot chips at the beach. That bird is the karoro—the Southern black-backed gull (Larus dominicanus). While often ...

Archaeology May 8, 2025

African dig uncovers bone tools that offer insights on early human life

Jackson Njau's fascination with human origins started as a curious teen growing up a few hours from one of the most famous archaeological sites in the world. Now a pioneering paleoanthropologist at Indiana University Bloomington, ...

Archaeology May 2, 2025

Ancient bone spear tip found in Russia is oldest in Europe and made by Neanderthals

An international team has unearthed the oldest spear tip ever found in Europe and notes that it was fashioned by Neanderthals. In their paper published in the Journal of Archaeological Science, the group describes how and ...

Astronomy May 2, 2025

Chandra diagnoses cause of fracture in galactic 'bone'

Astronomers have discovered a likely explanation for a fracture in a huge cosmic "bone" in the Milky Way galaxy, using NASA's Chandra X-ray Observatory and radio telescopes.

Cell & Microbiology Apr 25, 2025

How bacteria and textile fibers can heal bones

Have you ever wondered if there is a way to heal bones without having to take bone from another part of the body? A new doctoral thesis from the University of Borås, Sweden, now presents exciting advancements in this area. ...

Archaeology Apr 16, 2025

New clues from old bones: Some Vikings were much more violent than others

An investigation into Viking skeletons reveals a hidden story of violence, power, and the surprising differences between neighboring Viking societies. These bones came from all over Norway—from the north, and from the Oslo ...

Paleontology & Fossils Apr 14, 2025

Tiny cut marks on animal bone fossils reveal that human ancestors were in Romania 1.95 million years ago

Looking again through the magnifying lens at the fossil's surface, one of us, Sabrina Curran, took a deep breath. Illuminated by a strong light positioned nearly parallel to the surface of the bone, the V-shaped lines were ...

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