An exceptionally rare pink diamond of nearly 19 carats fetched 50.3 million Swiss francs ($50 million, 44 million euros) at auction in Geneva Tuesday, Christie's said, setting a new per-carat record for a stone of its kind.
Stone tools from the Middle Stone Age in South Africa shows that different communities were connected over long time periods over vast geographical areas.
University of Liverpool academics have discovered what may be the remains of a 4,500 year old ramp system to transport the huge alabaster blocks used in the construction of Egypt's Great Pyramids.
The remains of a medieval skeleton has shown the first physical evidence that a fern plant could have been used for medicinal purposes in cases such as alopecia, dandruff and kidney stones.
The Picts have long been regarded as a mysterious people, leaving behind little evidence of their presence other than their iconic carved stones.
The most beautiful meadows are to be found along the world's sandy coasts: Seagrass.
Kidney stones—solid, pebble-like grit that forms when too much of certain minerals like calcium are in the urine—can strike men, women, and increasingly, children, and the presence and pain of stones afflicts more than ...
A progressively drying climate punctuated by variable wetter episodes may have precipitated the transition from our hominin ancestors to anatomically modern humans, according to research published on Oct. 8 in the online ...