Lignin is the rigid polymer that gives trees their strength. The paper industry usually treats lignin as a low-value by-product because it’s too dark to print on. If you coat white paper with standard ...

We tend to reduce winter fashion down to the obvious garments: big coats, snow-plowing boots, or thick sweaters. But the best thermal underwear is a good reminder that a key component of winter is, uh ...

Buying an affordable printer it can be confusing, so we've put together this round-up of the best budget printers and some tips on how to find an affordable printer which matches your needs. To start, ...