I stumbled across a great explanation of why hard drives on Linux computers rarely need defragmenting. It's a common question from students and, as laid out in this post, makes for a great quick ...

Want a quick lesson in neuroscience? NBC Learn, the educational arm of NBCUniversal News Group, last week posted the latest collection in its online series of fast, free science stories. "Mysteries of ...

Q: I enjoy your plumbing column and have learned a lot. I've also seen how plumbing has gone high-tech with things like smart toilets. But, now I am starting to hear about smart toilet seats. What ...