A big pattern change is on the way for the United States with a blast of Arctic air set to bring a first taste of winter to millions. Read more: https://cnn.it/4qPYfWU | CNN

A big pattern change is on the way for the United States with a blast of Arctic air set to bring a first taste of winter to millions. https://cnn.it/4qJjmdb | CNN

The Ancient Wanderer of the Deep 🦈❄️ Deep beneath the icy waters of the Arctic and North Atlantic lives one of nature’s greatest mysteries — the Greenland shark, the longest-living vertebrate on Earth. These remarkable creatures can live for over 400 years, silently gliding through the dark ocean depths as centuries pass above. Their secret to longevity lies in their slow growth and cold-water lifestyle, which help them conserve energy and age at an incredibly slow pace. Scientists are still un