The week also brought stories of human ambition on a grander scale. NASA’s Artemis II astronauts, drawing closer to Earth after their historic lunar flyby, described the journey as “surreal and profound” as they prepared for their fiery re-entry.
And in Finland, deep beneath 1.9-billion-year-old bedrock on the island of Olkiluoto, the world’s first permanent nuclear waste repository — known as Onkalo — is nearing readiness. The site will house spent nuclear fuel hundreds of meters underground, a solution to one of the most intractable problems of the nuclear age.
