Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating.
Emperor penguins owe their scientific name (Aptenodytes forsteri) to their discoverer, the first natural scientist to reach Antarctica, the German Johann Reinhold Forster. Forster came to Antarctica in 1770, on Captain James Cook's ship, and saved Cook's life during the voyage.
âWhere I liveâ. This species of penguin lives along the rocky coastline of southwest Africa, in the countries of South Africa and Namibia.ike all penguin species, the African penguin lives in the Southern Hemisphere. It also lives in a temperate climate, as do most species of penguin. Only a few species live as far south as Antarctica in an extremely cold climate.