A burger grown in a laboratory. Sounds like science-fiction? Well up until very recently it probably was but now the prospect of lab-grown meat appearing on our supermarket shelves is closer than ever.

Synthetic or test-tube meat involves taking a small amount of cells from a living animal and growing it into lumps of muscle tissue in the lab, which can then, in theory, be eaten as meat for human consumption.

As well avoiding killing animals, scientists believe it could help reduce the environmental impact of meat production.

Read the full story: Lab-grown meat gives food for thought