Regular car maintenance isn’t limited to fluid changes, tire pressure, and brake pads. Changing a car’s cabin and engine air filters can also increase the car’s longevity and the passengers’ comfort.

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With almost one billion people lacking access to clean, safe drinking water, scientists are reporting development and successful initial tests of an inexpensive new filtering technology that kills up ...

Australian researchers have designed a rapid nano-filter that can clean dirty water over 100 times faster than current technology. Simple to make and simple to scale up, the technology harnesses ...