Search results for stone balls

Archaeology 16 hours ago

Gender-nonconforming ancient Romans found refuge in community dedicated to goddess Cybele

A Vatican declaration, the "Infinite Dignity," has brought renewed attention to how religions define and interpret gender and gender roles.

Plants & Animals Jan 24, 2024

Dung beetles found to work together to drag dung balls over objects in their path

A small team of biologists and animal scientists from Lund University in Sweden, working with a colleague from the University of the Witwatersrand, in South Africa, has discovered that pairs of opposite-gender dung beetles ...

Environment Jan 3, 2024

When you sit down to build a sandcastle, take a look around you: The beach is already sculpting

Arenicola, or lugworms, make some of the most beautiful structures on the beach. Little piles of wet sand are cast in a swirl from their rear end as part of their feeding cycle.

Plants & Animals Dec 12, 2023

Koalas suffer in the heat: How Australians can help this summer

As we brace for an unusually hot summer, spare a thought for koalas. They will be out and about in search of love, food and water in the searing heat.

Environment Nov 14, 2023

Toxic gunk cleansed from South Carolina's Congaree River 13 years after first reported. What's next?

Thirteen years after a kayaker reported stepping into a stinging patch of muck in the Congaree River, contractors have cleaned up the toxic mess that covered a stretch of the river bottom below the Gervais Street bridge in ...

Archaeology Nov 14, 2023

Orkney's lost tomb—how researchers made the Neolithic discovery

Orkney in the north of Scotland is renowned for its remarkably well-preserved monuments. Many of these are Neolithic (10,000 BC to 2,200 BC) and consist of stone circles and chambered tombs, which are still highly visible ...

Ecology Nov 6, 2023

Establishing the science of stone walls

New England's landscape is known for many things, such as the brilliant diversity of colorful foliage on display each autumn. It is at this time of the year when another iconic landscape feature re-emerges as the leaves fall—thousands ...

Archaeology Sep 10, 2023

Early humans deliberately made mysterious stone 'spheroids'

The early ancestors of humans deliberately made stones into spheres 1.4 million years ago, a study said on Wednesday, though what prehistoric people used the balls for remains a mystery.

Condensed Matter Aug 30, 2023

Writing in water using an ion-exchange bead as a pen

Writing is an age-old cultural technique. Thousands of years ago, humans were already carving signs and symbols into stone slabs. Scripts have become far more sophisticated since then but one aspect remains the same: Whether ...

Other Aug 12, 2023

Saturday Citations: Muons and the standard model, refuting an apocalypse, stellar tidal waves

This week on phys.org, we published news about muons, gigantic stellar waves, a Homo-erectus-thwarting mini ice age, and a new whale guy.

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