2020 science superlatives: The oldest, highest, grossest discoveries

From the biggest merger of black holes to the world’s oldest string — fashioned by Neandertals, no less — discoveries in 2020 set new records that amazed and inspired. Highest-temperature superconductor After more than a century’s wait, scientists have found the first superconductor that works near room temperature. Superconducting up to about 15° Celsius (59° […]