Source: Curium does not exist in nature. It is a synthetic element and it is produced in nuclear reactors by bombarding plutonium with neutrons. Isotopes: Curium has 15 isotopes whose half-lives are known, with mass numbers 238 to 252. Curium has no naturally occurring isotopes.
2017 Rolls-Royce Ghost Series II. Everything in life is relative, and perhaps no car illustrates this point as effectively as the Rolls-Royce Ghost. While it's technically the entry-level Rolls-Royce model, the Ghost's $250,000 base price puts it in the stratosphere of the overall automotive market.
Unique: This 100-year-old Silver Ghost Rolls-Royce has sold for a world-record price of Â£5million after a furious budding war at Bonhams. Through the roof: The lengthy auction saw two enthusiasts duelling for the pristine car as the bidding went up in increments of Â£100,000, smashing past the Â£2million estimate.