PRICE at auction this summer for a handwritten manuscript of The Sign of Four, the second-ever Sherlock Holmes novel by Sir Arthur Conan Doyle.
Source: Sotheby’s
Numbers in the News
$960,000
PRICE at auction this summer for a handwritten manuscript of The Sign of Four, the second-ever Sherlock Holmes novel by Sir Arthur Conan Doyle.
Source: Sotheby’s
Monirul Bhuiyan/AFP via Getty Images
2,492 carats
SIZE of a diamond (above) recently discovered in Botswana. Weighing a little more than a pound, it’s the biggest diamond unearthed in more than a century, and the second-largest ever found.
Source: The New York Times
6.2 million
NUMBER of K-12 students in the U.S. who now attend a school that utilizes solar power. The use of solar energy in U.S. schools has more than quadrupled since 2014.
Source: Generation180