Studying the signals that humanity beams through the solar system has allowed a team of NASA researchers to pinpoint where and when astronomers should hunt for alien technosignatures.
Neil Armstrong almost made a mistake. He had found an interesting rock sticking out of a formation. Curious to see what the rock was made of, he needed to examine its interior more closely. So he reached for his hammer and took a swing. The rock was far more brittle than he anticipated, and instead of cleaving in two it shattered. One of those shards flew away with so much force that it left behind a bloody gash in this forearm.

