Footage of a quick and easy trick you can use to empty a water bottle has people arguing in the comments section about the wonders of science. You learn something new every day on social media.

This puzzle game is perfect for you if you enjoy challenges that test your logic and patience. But be warned. It's trickier ...

Place the Citric Acid in a heatproof jug. Pour over the boiling water and stir until completely clear. Add then the eco washing up liquid and your essential oil. Leave to cool in the jug then pour ...

An unlimited supply of water is available, but no measurement markings are on the jugs. Here’s how you can measure exactly 4 litres. Fill the 5-litre jug completely. Pour water from the 5-litre ...