All humans need clean water to live. However, purifying water can be energy-intensive, and therefore there is great interest ...

Tonight will see variable cloud lingering, with just the chance of the odd clear spell. Showers will continue to move in overnight, falling wintry on the highest hills. Fog will develop on the ...

Lois Borny works on the product review section of The Independent, IndyBest, where she helps readers to save money and shop savvy, scouting out the very best deals and sharing her tried and tested ...