Cell Size and Scale Some cells are visible to the unaided eye The smallest objects that the unaided human eye can see are about 0.1 mm long. That means that under the right conditions, you might be able to see an ameoba proteus, a human egg, and a paramecium without using magnification. Conserving Water In Your Garden: 12 Tips Picture Courtesy Serghei Starus - Dreamstime.com Water conservation is important as water is a limited resource. With a growing population and the indifference at large for keeping our water systems clean and healthy, water will soon become a scarce commodity. Therefore, as gardeners we should try to conserve water as much as we can, in order to do our bit for the planet. Saving water is also good practice if you live in an area that is often plagued by drought or a low-rainfall. USE MULCH - Mulching is probably your most important way of saving water in your garden.
Vegetable Gardening @ the Vegetable Patch: manage your beds with crop rotation and keep pests and diseases at bay Looking for a safe organic way to keep pests and disease under control in your vegetable patch? One of the simplest ways is planting your vegetables based around crop rotation. Crop rotation is all about planting groups of similar vegetables together in a different part of the garden each year. Hallucinogenic Plants The Golden GuideHallucinogenic Plants by Richard Evans Schultes What are hallucinogenic plants? How do they affect mind and body? Who uses them - and why? Learn Biology Online For Free with our Huge Collection of Open Courses If you’ve always been interested to learn more about nature and the diversity of life, you can now Learn Biology Online for Free! Free Biology courses are easy to find yet some of the ones you find may not be worth your time. We’ve put together a list of Biology courses from well-respected institutions such as John Hopkins, Yale, MIT, Stanford, and UCLA. Hopefully, this free resources will help you advance your knowledge of Biology towards a career in education, medicine, research, and agriculture. MOOCs are Massive Open Online Courses. They are university courses that have been put online, often with enhanced functionality such as Lecture Notes, mini-quizzes and other special features.
Beginners Permaculture Garden - Appropedia: The Sustainability Wiki See the talk page for this article: "nice start, but doesn't look like Permaculture yet." A better permaculture introduction is needed for this topic. This How To has more questions than answers. beginner guide to growing chile peppers By Julian Livsey This guide is for anyone who has somehow hit on the idea that it would be fun to grow chile peppers. You haven't grown them before, perhaps you haven't really grown anything before.
Diversity "Diversity is not about how we differ. Diversity is about embracing one another's uniqueness." - Ola Joseph Keyhole Gardens Keyhole Gardens First made popular in Africa, keyhole gardens are catching on in Texas and other hot, dry places. Keyhole gardens hold moisture and nutrients due to an active compost pile placed in the center of a round bed. Although most helpful in hot and dry locations a keyhole garden will improve growing conditions in just about any climate. From a bird's eye view the garden is shaped as a keyhole. A notch is cut into a round garden bed, the notch makes for easy access to the center compost well. The Salvia Divinorum Grower's Guide - [www.rhodium.ws] Contents ContentsEntering The UroborosStarting From An Unrooted CuttingConstructing A Humidity ChamberRooting In WaterWaiting For Roots To FormPlanting In SoilConstructing A Humidity TentGrowing Outside A Humidity TentOptimum Growing Parameters Soil Temperature Misting, Watering & Feeding Light Hydroponic Cultivation Growing Medium Nutrient Management Pests White Flies Spider Mites Aphids Scale Snails Problems Browning Leaf EdgesYellow LeavesSlow Growth Pruning For Maximum Leaf ProductionHarvesting LeavesDrying LeavesProducing SeedTaking CuttingsTail-To-MouthBibliographySources For Salvia DivinorumInformation Resources `Few have heard of it. Fewer know what it looks like. Fewer still have ever met the sagely ally, yet the alliance forms invisible links wherever it goes...' — Dale Pendell, Pharmako/Poeia