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. Molecular Expressions Microscopy Primer: Introduction to Microscopy Introduction to Optical Microscopy,Digital Imaging, and Photomicrography This treatise on optical microscopy is divided into several sections that are available through the links displayed immediately to the left (in the darker navigational boxes) and below. In order to print the entire microscopy primer as a paper document, you must download each link independently, send the file to your printer, and put the results together. In the Bibliography, we have included links to other works on optical microscopy and our section on Web Resources contains links to other microscopy sites on the Internet. This material is targeted for educational purposes only, and is not available to be posted on remote websites (either commercial or educational) or distributed in any electronic format.
Easy vegetables to grow Planting a garden doesn’t have to be a huge undertaking. But the fear of failure keeps many a gardener-wannabe from spending time and energy on planting backyard crops. Knowing the easy vegetables to grow for your region — in addition to when and where to plant them — is the best way to ensure success. 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.
Satellite Geodesy, IGPP, SIO, UCSD NEW! SRTM15_PLUS V1 November 29, 2014 NEW! SRTM30_PLUS V11 November 29, 2014 NEW! Global Topography V18.1 November 29, 2014 How to Forecast Weather Ever wondered how to forecast the weather without actually using instruments? Check the Clouds: Clouds can tell us a lot about the weather.