This instructional document discusses the components of a freshwater fish aquarium, including filters and air pumps, gravel, rocks, water, plants, and fish. Also covers feeding fish and maintaining aquarium water quality and fish health.

Dictionaries

Crosswords from around the world.

Creating a Pollinator Garden

This presentation for children describes how "[by cultivating a garden, schoolyard, or even a few containers that allure these important plant partners [pollinators], students can provide vital oases amidst deserts of buildings and concrete." Features tips on what plants to choose (such as flowers with a range of shapes and sizes), how to care for plants (avoid using pesticides), curriculum ideas, and links to related sites and articles.

Collection of fact sheets on gardening health and safety topics, such as plant allergies, power tool safety, carpal tunnel syndrome, arthritis, heat stress, sunburn and skin cancer, and protecting your hands, feet, knees, and back.

Guide to design elements for a garden accessible to people with disabilities and physical limitations. Discusses container gardening, raised beds, pathways, trellises, health and safety, and adaptive, enabling, and ergonomic garden tools. Includes sections on gardening tips, techniques for repetitive motion injury prevention, children with disabilities, seniors, and people with arthritis, back problems, visual impairments, and heart and lung problems. Provides related links. From the University of Missouri-Columbia.

Landscaping for Energy Conservation

This fact sheet provides energy-conserving landscaping ideas, such as planting shade trees and creating windbreaks. Includes explanations of concepts related to heat exchange in the home, and illustrated tips for planning a home landscape. From the Colorado State University Cooperative Extension.

No Dig Garden

How to make a no-dig garden bed one afternoon. They're good if you haven't got great soil, or only have lawn or concrete to garden on. They don't lose too much water and are really easy to make.

Are you a digital camera photographer? You might want to check out the collection of over 400 digital photography tips available. The tips are divvied out by category.  Some of the categories are expected (buying a digital camera, digital camera memory), while some are unexpected (taking pictures of autumn foliage, waterfall photography.) The number of tips varies per category, but for the most part they're short and easy reads. The "Digital Camera Accessory" tips, for example, included tips on extra lens caps, cleaning kits, mini flashlights, and mini tripods.

Photonhead

This site shows you how to up the ante on using your point and shoot camera.  You can play around with an interactive camera to learn how your choice of aperture values and shutter speeds impacts on the photo you take.

Topics include photographing large fireworks displays, taking photos of fireworks with a digital camera, and shooting backyard firework displays. Discusses preparation, equipment, camera settings, choosing subjects and more.