The Shocking White Hair

What do you do when your childhood dream of becoming an astronaut is grounded at the final hurdle?If you’re physicist Ginger Kerrick, you go on to help run the missions instead.After failing the medical of her astronaut application process, Ginger went on to become Nasa’s first n ...  Show more

Here's a little fact you might have heard before: humans are around 70% water. About the same percentage as a sweet potato, incidentally. But what does that actually mean? Sure, there's blood, that accounts for some of it. And the lymphatic system has a fair amount too, sloshing ...  Show more

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This episode of 'Chemistry for Your Life' delves into the fascinating world of gray hair, exploring its chemistry and biological processes. Hosts Melissa and Jam share personal anecdotes about encountering gray hair before diving into a detailed ex ...

We’ve all heard the saying, "This is giving me grey hair!" But is there any truth to it? Actually, yes. Several scientific studies confirm that stress can speed up the process of hair turning white. One such study, published in the journal Nature in 2020, involved Harvard scient ...  Show more

This episode looks at the science of hair – what is it made of, why does it come in different shapes, and why does it go grey when we get older? Matilda is a science writer at the Royal Institution of Australia’s Cosmos Magazine with a background in bioethics and microbiology. Sp ...  Show more

Discovering your first grey hair can be quite the shock. After all, it marks the onset of an irreversible change. And the fact that it’s a natural process is often of little consolation.  The culprits, if you want to think about it like that, behind our hair turning grey are the ...  Show more