The many faces of mulch: Choosing the best for your lawn and garden

The many faces of mulch: Choosing the best for your lawn and garden
Un-glossy newspapers are typically printed with soy-based ink, which is harmless to soil and plants. To use newspaper as … Plastic or landscaping fabric can be used to choke out weeds and prepare a surface for planting without tillage. It also warms …
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Hyperprecise atomic clock detects tiny changes in fabric of time
Scientists have created an atomic clock that is so precise that it can detect tiny changes in the speed of its ticks depending on whether it is 2 centimeters closer or farther from the center of Earth. “Time can be intricately connected to gravity …
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After 50 years, DuPont's Kevlar 'Dares Bigger'
Your local fabric store probably doesn't carry Kevlar by the yard. Plus, you need the right tools – very sharp, heavy duty shears – to cut through the fibers, Chang said. Instead, companies that incorporate Kevlar into their products can buy Kevlar as …
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