Viagra is good for the environment - trade in wild animal body parts down.

Doing the rounds at the moment, a couple of articles from Miles Kingston's column that read like something straight out of a Dirk Gently story: Part 1 and Part 2

Article on Terahertz imaging, a non-invasive technology that detects naturally emitted radiation and allows imaging through (some) walls, clothes etc. More on the technology and some images here.