Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

Watch our incredible water-to-wine experiment and see the surprising results! This fun and educational demonstration shows how simple ingredients and a bit of science can create mind-blowing effects.

Crunch, sourness and full of nourishment – but which jar of fermented cabbage is a cut above the rest? The best supermarket kombuchas The Guardian’s journalism is independent. We will earn a ...

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Photo: Alex Lepe; Food Styling: Rachel Perlmutter It is late January as I write this and I am deep in the throes of winter ...