The thinking is that these holey limestone pebbles, which are roughly the size of a quarter and weigh up to an ounce, were spindle whorls used to spin textiles of flax or wool.

A remarkable pilot project installed on a 240-m (787-ft) container ship has proven it's possible to capture at least 78% of emissions from the smokestacks of cargo ships and convert the CO2 into ...

Researchers at the University of Montreal, Arizona State University and the University of Genoa who excavated a portion of the cave between 2009 and 2011 found 29 limestone pebbles and examined ...

The hundred or so mostly limestone pebbles were unearthed at the Nahal-Ein Gev II dig site, per the study. They were perforated in the middle, leading scientists to believe that they were spindle ...

'The very simple summary is that we make limestone on ships and we lock the CO2 into the limestone pebbles,' CEO and co-founder of Seabound, Alisha Fredriksson, said at their testing facility in ...

They also noted that early fishing weights tended to be larger and made out of heavier material than limestone. To see if the pebbles could have been spindle whorls, the team created precise ...

It absorbs CO2 from the exhaust gas and turns it into limestone pebbles, which can then be sold as a building material. From avocados to clothing, about 90% of traded goods are carried on the ocean.

Because the artifacts are “simple limestone pebbles that don’t stick out at first glance,” the researchers were surprised to learn how they were likely used, Yashuv tells the Times of Israel ...