Part of the Linac 4 booster at CERN, as seen on May 9 in Meyrin, near Geneva. The booster will allow the LHC to reach higher luminosity in the next few years.
Fabrice Coffrini/AFP/Getty Images
This stone marten knocked out power to the $7 billion Large Hadron Collider particle accelerator in November 2016 when it touched a 18,000-volt transformer.
Natural History Museum Rotterdam