Mosaic

Meet the dogs with OCD
Could understanding canine compulsions help find new treatments for people with obsessive–compulsive disorders too? Shayla Love investigates.

This week’s podcast: Colour to dye for
The basic chemistry of hair dyes has changed little over the last century, but what do we know about the risks of colouring our hair, and why do we do it?
Follow us
Iceland knows how to stop teen substance abuse but the rest of the world isn’t listening
Teenage smoking, drinking and drug use have been radically cut in the past 20 years. How?

Reinventing the toilet
How one company’s vision for the humble loo is transforming lives, from Madagascar to UK music festivals.

My many selves: how I learned to live with multiple personalities
What happens when dissociative identity disorder takes away your sense of being an individual?

How to fall to your death and live to tell the tale
Falls kill over 420,000 people every year. So why don't we know more about how to fall better? Neil Steinberg investigates.
The famous fallen
Exploring the real-life and literary figures who fell.

Mosaic archive
We've published over 150 in-depth stories. Browse our archive here, and don't miss our video and audio pieces.

You can train your body into thinking it's had medicine
Jo Marchant asks if we can harness the mind to reduce side-effects and slash drug costs.
Why the calorie is broken
Calories consumed minus calories burned: it’s the simple formula for weight loss or gain. But dieters often find that it doesn’t work.
Why being bilingual keeps your brain fit
Most people in the world speak more than one language, suggesting the human brain evolved to work in multiple tongues. If so, asks Gaia Vince, are those who speak only one language missing out?

Why do we have blood types?
More than a century after their discovery, we still don’t really know what blood types are for.
How has the world's health changed in your lifetime?
Put yourself at the centre of the story in our Global Health Check interactive infographic.
This is what happens after you die
Exploring how the breakdown of our bodies after death gives birth to new life.