The immune system is a vast network of cells, tissues, and organs that coordinate your body’s defenses against any threats to your health. Without it, you’d be exposed to billions of bacteria, viruses, and toxins that could make something as minor as a paper cut or a seasonal cold fatal. So how does it work? Emma Bryce takes you inside the body to find out.
You heard the travelers’ tales, you followed the maps, and now, you’ve finally located the dungeon containing a stash of ancient coins. The good news: the wizard who owns the castle has generously agreed to let you have the coins. The bad news: he’s not quite as generous about letting you leave the dungeon … unless you solve his puzzle. Can you solve it and get out alive? Lisa Winer shows how.
Isaiah had never been cool or popular. He was known as strange, the weird kid – the weirdo – and he stuck to himself. The mean girls and popular kids didn’t help his shyness, really hurt his self-esteem, and so, after middle school, he was determined to make high school different.
James May tells us exactly where that green snot in our nostrils comes from. He also delves into how mucus helps prevent harmful foreign objects from entering our bodies.
We often think that we are completely different from ancient people, but archaeology shows that we are quite wrong. Here is a list of 14 unbelievable facts about the life of ancient Egyptians.
What is in a pimple?