The US flag flaps in the wind, as it undoubtedly did in many places across the US on July 4th, only at the South Pole it was lit by a bright moon with a lunar halo. Although there, too, they had a BBQ to celebrate festivities on the 4th, it wasn’t on an outdoor grill. Why not? (whisper…It’s cold down there!) However, the cold temperatures—well, at -42 °C, warm by their standards—didn’t stop IceCube winterover Carlos Pobes from completing a half marathon outside.