We want to believe it when someone says something like "For everyday vehicles and everyday uses, any oil filter is okay." Oh, sure, no oil filter is going to cause your otherwise healthy engine to ...

If you’re concerned about chlorine or bacteria in your water at home, a shower filter is a relatively inexpensive, quick fix. Before selecting one, Olga Naidenko, Ph.D., a senior science adviser ...

We've rigorously tested and identified the best filtered water bottles to ensure that they meet your needs for filtration, insulation and more. Check out our top picks below.

So if you live in an area with poor tap water quality (or you simply prefer the taste of filtered water), you'll want to have a filtration system in place. Not only will a good filter remove ...

Changing your air filter as scheduled is crucial to making your engine live longer and run right. Here, we clear the air (so to speak) about what engine air filters do, what they’re made of ...

This clip is from the series Hunting for History. Suitable for: History at KS3 in England Wales and Northern Ireland and 3rd and 4th level People, past events and societies in Scotland.

These short films are suitable for teaching history and PSHE / modern studies at KS3 and KS4 / GCSE in England and Wales, and GCSE in Northern Ireland and National 4/5 in Scotland. Arek Hersh ...

The best neutral density filter will help you capture creative long exposures to blur movement in landscapes – even in the middle of a bright summer's day With neutral density filters, or ND filters, ...

Lenses are precious, fragile, and often expensive – and if something has to get cracked against the ground, wouldn't you rather it was a $20 filter than the front element of a $1,000 lens? Protective ...