Here's a great chart from www.thegardencentral.com that'll give you a few tips for planting and growing your very own healthy vegetables. This is a great resource as knowing how and when to plant your crops is a crucial part of reaping a good harvest.
This guy's hiking journal documents his journey as he reaches his goal to have hiked 500 miles in one year. This page is illustrations of mushrooms that he found interesting. I find them interesting as well