As winter's darkness deepens across the Northern Hemisphere, countless lights begin to twinkle in windows, streets, and homes around the world. It is a time for winter holidays across the globe.
Far out in the Indian Ocean lies North Sentinel Island, home to the Sentinelese, one of the most isolated indigenous tribes on Earth. For millennia, the Sentinelese have resisted contact with the outside world, turning away expeditions and sometimes responding violently to protect their way of life.
As World War II ravaged Europe in the early 1940s, both sides sought any advantage that could turn the tide of the conflict. Great Britain hatched one of the most sinister secret plans of the war - Operation Vegetarian - a biological attack to cripple Germany’s food supply using anthrax-infected cattle cakes.
In the Himalayan foothills at the turn of the 20th century, an unsettling quiet fell upon a string of villages dotting the forested landscape. An ominous chill took hold as locals ceased venturing beyond their doors.
Buried within the genes of modern Melanesians, scientists recently uncovered clues of an extinct human relative lost to history. Studying their DNA reveals traces of surprising ancestry beyond the Neanderthal and Denisovan ancestors scientists expected.
Imagine a world entirely encased in ice, from pole to pole, with glaciers flowing even in the heart of the tropics. This may sound like a scene from a post-apocalyptic science fiction movie, but it's a scenario that many geologists believe occurred not just once, but multiple times during Earth's history, long before humanity walked the planet.