What if you stopped sleeping?

Is your lack of sleep slowly killing you? Many of us have experienced the effects of sleep deprivation: feeling tired and cranky, or finding it hard to concentrate. Sleep is more important for our brains than you may realise. Although it may appear you’re “switching off” when you fall asleep, the brain is far from…

How do hormones work?

What are hormones, and what do hormones do? Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Hormones are messengers that are released mainly by glands, and they travel in the bloodstream…

Smart Squids

Squids get less publicity than octopuses, but they are really weird as well. The sea creatures have developed so many strategies for evading predators in the sea that we must marvel at how undersea life is totally different from the way land animals go through life. There are about 500 species of squid, and they…

How Do Volcanoes Erupt?

To understand how a volcano erupts, we’ll first need to take a look at the structure of the Earth. Earth has different layers which include the inner and outer core, the mantle and the crust. We’ll focus on the mantle and crust as this is where all the volcanic action takes place. The crust is…