Plastic toys are everywhere and with good reason: plastic is great for making toys. It is cheap and durable, and can be moulded into pretty much any shape.

In our fast-moving world, biotech is at the forefront of developments – but, by its very nature, it can provoke ethical and moral concerns .

Livestock produces a lot of waste. One solution is to turn such agricultural waste into biogas to generate energy .  It requires using so-called anaerobic digestion, which consists in breaking down biodegradable material in the absence of oxygen.