you can boil the water to kill off the bacteria — as we’ve already discussed above. But filtration now goes further than this ...

Boiling water is one of the oldest survival tricks ... plastics could then be easily scrubbed away or caught by a simple ...

Thomas is a native of upstate New York and a graduate of the University at Albany. As a member of CNET's How To team, he writes about the intersection of policy, information and technology, and ...

Fractional distillation works because the different liquids have different boiling points. When the mixture is heated: vapours rise through a column which is hot at the bottom, and cold at the top ...