Category: Science

Gut feeling: Exploring the gut-brain axis

How does the bacteria in your gut act like a ‘second brain’? Scientists are only just beginning to understand the impact your microbiome can have on your brain We all know that our mood...

The Human Body: What is a mouth ulcer?

Image credit: Scientific Animations How these common but painful sores form and develop They’re the mouth irritations that can make eating a meal unbearable, but the cause of mouth ulcers or canker sores is...

Why do our ears pop?

How do changes in pressure make our hearing go funny and our heads feel full? The middle ear separates the outer ear from the inner ear. It contains the three ear bones, which send...

The Human Body: What makes hair curl?

The secret to tousled tresses lies under the skin in the shape of the hair follicles Hairs might look similar from the outside, but put them under the microscope and you’ll notice tiny differences...

How to create cosmic space eggs

Make eggs into colourful and weird planet-like creations 1. Egg-cellent preparation First, you need a hard-boiled egg. Ask an adult to help you boil an egg, let it cool, then put it in a...

The lives of undead Cells

As we age, our bodies clog up with zombie cells that just won’t die Cells have a built-in safety switch that turns them off when they start to get old. They stop dividing, entering...

Debunking the vampire myth

How science can explain the phenomena that led many people to believe in the undead Legends of beings that defied death and preyed on the living date back to ancient times. Many early civilisations...

Genetic Ancestry: Who do you think you are?

Discover what your genetic makeup can tell you about your ancestral journey Nearly every cell in your body houses your all-important genetic information. Tightly coiled in the nucleus of each cell, deoxyribonucleic acid (DNA)...

What is activated charcoal?

What chemical properties make this fine black powder so useful? Activated carbon, also known as activated charcoal, is a form of carbon that has been processed to create an extremely porous structure. It is...