National Science Foundation on Twitter: "Robots, telescopes and a rise in #science & #engineering degrees: It's our latest #NSFrecap! #NSFfunded http://t.co/cqzJoq5ijB" / Twitter
![A miner walks inside a tunnel at the Andina copper mine, 80 km (49 miles) northeast of Santiago and 3,500 meters (11, 500 feet) above sea level March 25, 2009. Andina produces A miner walks inside a tunnel at the Andina copper mine, 80 km (49 miles) northeast of Santiago and 3,500 meters (11, 500 feet) above sea level March 25, 2009. Andina produces](https://c8.alamy.com/comp/2E6WGGR/a-miner-walks-inside-a-tunnel-at-the-andina-copper-mine-80-km-49-miles-northeast-of-santiago-and-3500-meters-11-500-feet-above-sea-level-march-25-2009-andina-produces-about-218322-tonnes-of-copper-concentrate-and-2525-metric-tonnes-of-molybdenum-a-year-according-to-the-company-picture-rotated-180-degrees-reutersivan-alvarado-chile-business-energy-2E6WGGR.jpg)
A miner walks inside a tunnel at the Andina copper mine, 80 km (49 miles) northeast of Santiago and 3,500 meters (11, 500 feet) above sea level March 25, 2009. Andina produces
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