Ultrahuman has launched its Rare series of smart rings made of 18K gold and platinum. The new range comes in three finishes, priced upwards of $1,800. Apart from their precious metal construction ...

It shifts millions of pounds worth of items, including antique jewels, rings, and tiaras ... which specialises in buying and selling rare antique jewellery. Some of the items it sells include ...

The “volcanic vortex rings” are a rare phenomenon generated by the combination of rapid gas release and vent shape. Photo: Giuseppe Di Stefano/Associated Press ...