Biology

How Does Running Change Your Body?

For a lot of people, working out seems like more of a chore than something to be enjoyed. But when you find an activity that you not only love doing…

Hollow Trees – Risks & Benefits

It’s like something out of a fairytale when you come across a hollow tree. I recently saw one that had been fitted with a door and every time we’ve driven…

How Long Does It Take To Grow A Bonsai Tree?

If you want to grow a tree but don’t have the outdoor space then you might choose a bonsai. These are trees whose growth is stunted by being in a…

How To Tell The Age Of A Tree

Trees are so important for humans and all life on earth. You’re probably aware of how they provide us with oxygen but they’re also essential for maintaining balance in the…

The Science of Making Cheese

Cheese is made from milk. This is most often cows’ milk, but it can be made from milk from sheep, buffaloes and goats – even yaks. It can be soft…

Extracting DNA

DNA (deoxyribonucleic acid) is the molecule that carries the genetic information (the instructions) for the cell, and DNA is found in all cells that have a nucleus. DNA is made…

Testing Paper for Strength

Paper is used for a great many things, from paper towels and tissues through sheets of paper for printing at home or work, to special paper for banknotes, and each…

Seeds: Wet and Dry

Plants grown from seeds, from the smallest (an orchid, at 85 micrometers long) to the largest (the Coco de Mer palm, at about 30 cm long). Seeds are amazing things…

Growing Plants in Different Soils

Like animals and humans, plants need water, air and food to grow. They get all of these from their growing medium – the compost or soil that they grow in….