Achieve optimal watering efficiency. We detail standardized soaker hose flow, factors influencing actual usage, and steps to calculate and optimize your system's GPH.
Uncover the science of bird recognition. They link human faces to reliable resources and safety through instinct and associative learning, not affection.
Sandstone can be as weak as concrete or as strong as granite. Discover the exact values and geological factors that explain this enormous range in rock strength.
Explore the systematic, large-scale restructuring of global energy production, consumption, and governance needed to permanently solve our dependence on oil.