Dear James: My existing old double-hung windows still look nice, but they leak outdoor air and are difficult to open and close. What can I do to improve them myself? -- Kevin J. Dear Kevin: If ...

Thirty years ago, a botanist in Germany had a simple wish: to see the inner workings of woody plants without dissecting them. By bleaching away the pigments in plant cells, Siegfried Fink managed to ...

The key is to use something strong enough to remove the stain, but not something so strong that it will damage the wood beneath. Like any surface, a wood floor can get stained and dirty, but you have ...