During the darkest days of Alaska’s winter, black-capped chickadees stuff themselves with enough seeds and frozen insects to survive 18-hour nights. Where the chickadees spend those long nights was a mystery until a biologist tracked them. Susan Sharbaugh spent many winter nights trying to find out how a creature as light as a handful of […]
This message once came from the grandfather of 5-year-old Ben, who lived near Inverness, Scotland: “Even in winter he will rapidly strip off and often plays in a sleeveless vest while others still have a shirt and woolly jumper on. He appears to be always warm.” Ben, it seemed, had a remarkable tolerance for […]
An international team of scientists has found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska’s Okmok volcano, located on the opposite side of the Earth. Around the time of Julius Caesar’s death in 44 BCE, written sources describe a period of unusual […]
A father wakes, rolls out of bed and drops his toes to cold carpet. He grabs a flashlight and shines it outside the window. The thermometer reads 40 below zero, the only point at which the Fahrenheit and Celsius scales agree. The red liquid within his thermometer is alcohol; mercury freezes at 38 below. […]