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Phys.org / Native Americans were making dice, gambling, exploring probability millennia before their Old World counterparts

A new study in American Antiquity presents evidence that the earliest known dice in human history were made and used by Native American hunter-gatherers on the western Great Plains more than 12,000 years ago at the end of ...

3 hours ago
Phys.org / NASA's Artemis II mission launches on first crewed lunar flyby in 50 years

Four astronauts blasted off aboard a massive NASA rocket Wednesday on a long-anticipated journey around the moon, the first crewed lunar flyby in more than 50 years.

2 hours ago
Phys.org / New miniature marsupial frog found in Peru carries eggs in a back pouch

Scientists have discovered a new species of miniature marsupial frog in the Peruvian Amazon that carries its young in a natural pouch on its back, a research institute reported Wednesday.

2 hours ago
Medical Xpress / CDC pauses dozens of types of lab testing during evaluation and in wake of downsizing

The federal government's disease-tracking agency has paused its diagnostic testing for rabies, monkeypox and a number of other infectious diseases.

1 hour ago
Phys.org / Gravitational waves suggest a 'forbidden zone' for stellar-origin black holes

An international team led by Monash University has uncovered evidence of a rare form of exploding star, helping to shed light on one of the most cataclysmic events in the universe. At the end of their lives, most massive ...

10 hours ago
Phys.org / Europe to negotiate with NASA on lunar missions: ESA

The European Space Agency will negotiate future participation in NASA missions after the US space agency revamped its lunar program, the ESA head told AFP Wednesday.

1 hour ago
Phys.org / Unexplained sky flashes from the 1950s: Independent analysis supports their existence

Historical observations from an observatory in Germany have now independently verified evidence for brief, mysterious flashes of light in the night sky, first picked up by an American astronomical survey in the 1950s. Through ...

18 hours ago
Phys.org / High nickel concentrations in Martian bedrock point to potential biosignatures

In 2024, NASA's Perseverance rover found surprising levels of Nickel in the Martian bedrock of an ancient river channel, called Neretva Vallis, which flowed into the Jezero crater. A new study, published in Nature Communications, ...

12 hours ago
Phys.org / Thirty previously unpublished verses by Empedocles discovered on a papyrus from Cairo

A 2,000-year-old papyrus fragment, discovered in the archives of the French Institute of Oriental Archaeology in Cairo, reveals 30 previously unpublished verses by Empedocles, a pre-Socratic philosopher of the fifth century ...

7 hours ago
Phys.org / Lakes forming next to Greenland's melting ice sheet are speeding up glacier flow

A growing network of meltwater lakes at the edge of the Greenland ice sheet is accelerating the flow of major glaciers, potentially increasing the pace of global sea-level rise. Warmer air and sea temperatures have led to ...

8 hours ago
Phys.org / Researchers present first fossilized 'emperor' butterfly

Butterfly fossils are rare, and finds that preserve fine anatomical details and wing patterns are an absolute exception. An international research team from Sweden, the U.S., and Germany, led by Dr. Hossein Rajaei, lepidopterist ...

7 hours ago
Medical Xpress / Older men are most likely to reach for saltshakers, while women's salt-adding behavior is more nuanced, study suggests

Salt has been used as a seasoning and food preservative for thousands of years, but having too much of it can lead to various diseases, including high blood pressure, cardiovascular diseases, and kidney disease. Salt overconsumption ...

3 hours ago