Suite101 is proud to welcome a visionary globetrotter to our Outdoor & Recreation section as one of Guest Writers. Nate Cavalieri has authored a range of books for Lonely Planet including recent guides to Chicago, California and Puerto Rico. He is the co-author of Volunteer: A Travelers Guide To Making A Difference Around The World. Nate offers tips for travellers thinking about this field in two articles on Suite101, and also shares his views on travel writing in a wide-ranging, three-part interview with Suite101 writers Jennifer Miner, Alan Sorum, and Karen Lotter.

Animals, plants, fungi and microorganisms all have members who produce bioluminescence, a natural glow in the dark mechanism that creates light from a chemical reaction.

Scotch whisky, single malt whisky, grain whiskies, blended whiskies, Highland, Islay, Lowland and Speyside whiskies - what does all this whisky terminology mean?

Recently released reports detail common side effects experienced by recipients of the vaccines recently approved by the FDA for the prevention of the swine flu.

The body has a built-in, defense system against disease, but only moderate exercise activates it.