About Atrial Fibrillation. Atrial fibrillation, known as AF or Afib, is an irregular and often very fast heart rate. This may cause symptoms like heart palpitations, fatigue, and shortness of breath. Treating atrial fibrillation is important because it may cause a stroke and negatively impact your quality of life.
Basic Facts About Gorillas. Closely linked by DNA, gorillas (family Hominidae) are one of the four species of great apes that are the closest living relatives of humans â the other three are chimpanzees, bonobos and orangutans.
In fact, gorillas share 98.3% of their genetic code with humans, making them our closest cousins after chimpanzees and bonobos. The largest of the great apes, gorillas are stocky animals with broad chests and shoulders, large, human-like hands and small eyes set into hairless faces. 1  a Population.