This is the Guardian. is invisible man, scientists have found a way to turn skin transparent using a common food diet.

And Bird Flu is back in the news.

The CDC confirming the first human case of bird flu in Missouri today and the state's

health department says this patient had no exposure to animals and was not a poultry

worker.

Plus a new study suggests that adolescent girls experienced more premature brain

aging during the COVID pandemic. The study found COVID-era lockdowns, ended up

aging teenagers brains faster than the usual rate, more than four years

faster than usual in girls compared to just over a year faster in boys.

So today we're breaking down some of the biggest science stories of the

last seven days. I'm the Guardian Science Editor Ian Sample and this is Science Correspondent at the Guardian. Hi Hannah Devlin, science correspondent at the Guardian.

Hi Hannah.

I actually wanted to start off asking you a question because she reported on a really remarkable story this week

and it involved a common food coloring being used to turn skin transparent.

This was just in mice but I'll be honest this sounds like science fiction.

Tell us a bit more about what these scientists have been up to.

Going back to pretty much like 1910s, scientists have been looking for ways to make skin

tissues transparent. This is often for like use in animal research so you can see what's going on

inside your living animal.

The story that I wrote about last week was a way to make skin transparent at least in sort of

red wavelengths of light by just applying a really common food

coloring, a food dye and it's used in Doritos in the US for example this is a really common

...