Intestinal microbes. Artwork of the human intestinal lumen showing the microbial flora (coloured) present on the lining (pink). These microbes (such as bacteria) are beneficial and aid the digestion of food. Without them, many nutrients would be indigestible.

The good, the bad, and the ugly bacteria

Not all bacteria are bad, but some can be deadly. Discover the trillions of helpful microbes in your body and their equally sinister cousins.

The science of FEAR

The science behind our screams of terror when we watch a scary movie, ride a rollercoaster, or find a spider in the bathtub.

The truth about sugar

How It Works Daily reveals the facts about sugar you need to know. Find out where it comes from and how it is processed, and discover exactly what happens when it enters the body.

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