Stone
in example sentence
Even then we agreed to a further four months of EU-US-Russia negotiations in order to ensure that no
stone
was left unturned in the search for a mutually acceptable compromise.
More example sentences with word stone
Now for an intelligent being like our fly, this policy is not written in
stone
but rather changes as the animal learns from experience.
The oldest
stone
tools are choppers from the Olduvai Gorge in East Africa.
These crude tools were around for thousands of centuries, until around 1.4 million years ago when Homo erectus started shaping single, thin
stone
blades, sometimes rounded ovals, but often in what are to our eyes an arresting, symmetrical pointed leaf or teardrop form.
So the next time you pass a jewelry shop window displaying a beautifully cut teardrop-shaped stone, don't be so sure it's just your culture telling you that that sparkling jewel is beautiful.
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