Did you know that you're part virus? In fact, about 8% of your genome is made up of ancient retroviruses. These invaders are not all bad, they gave us memory proteins and even help fight cancer! | Kurzgesagt

Sometimes, all it takes is one small problem to create quite a catastrophe. Cancer is one such example. | Kurzgesagt

This is the deadliest virus on our planet… However, human cells are safe. The deadliest virus on our planet only feasts on bacteria, hence its name: Bacteriophage - bacteria eater. Now that our antibiotics aren't as effective against the ever-evolving multiresistant bacteria, phages are a promising tool for defending ourselves in the future. They are highly specialized so they only attack the bacteria they’re supposed to, reducing the side effects of a treatment. | Kurzgesagt