Scientists use a scale called the pH scale to measure how acidic or basic something is. The scale runs from 0 to 14. Where 0 is the most acidic and 14 is the most basic. Around the middle we have ...

Skip plastic test kits and turn leftover red cabbage into a colour changing guide to your soil’s pH. Want greener, healthier ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Take a chunk of red cabbage and whizz it up in a blender with some warm tap water. Pour through a sieve ...

Don't you mean pink cabbage? No, I mean blue cabbage. Wait, now it's pink again! As you can see, your little angel might just discover that this stuff is cool enough to eat! 1. Red cabbage contains a ...

Many substances have a pH value. Even your blood has a pH value. It's between 7.3 and 7.5. If the pH of your blood falls below 7 or rises above 7.8 you will die. So it can be very important to know pH ...