Synthetic biology is the design and construction of new biological parts, devices, and systems, and the re-design of existing, natural biological systems for useful purposes. Researchers have used ...

Leonardo David is a writer and energy consultant who has worked on projects funded by the Inter-American Development Bank. An electromechanical engineer, he has written about solar energy and the ...

While many homeowners concentrate on maintaining the ground-level features of their homes, a roof cleaner can help keep the roof looking its best. Often, not until black streaks and patches of ...

Tonight will continue dry, and there will be clear skies to start. Later on, there will be clear spells but some patches of mist and fog will also form in places. Wednesday Tomorrow morning will ...

It also contributes to the roof’s overall weight and insulation properties. The growing medium typically consists of a mix of lightweight aggregates (e.g., expanded clay, perlite), organic ... or ...