National Geographic: Scientists have measured what is likely the highest temperature ever on Antarctica: 63.5 degrees Fahrenheit (17.5 Celsius).
The measurements were made last Tuesday at Argentina's Esperanza Base, on the northern tip of the Antarctic Peninsula, according to the meteorological website Weather Underground. The previous hottest known temperature on the continent was 62.8°F (17.1°C), recorded at Esperanza Base on April 24, 1961.
The Weather Underground called last week's temperatures a "remarkable...