The decrease in liana diversity with increasing latitude has been indicated as the major physiognomic difference between tropical and temperate forests’ ecosystem. Despite the robustness of this ...

We describe a gradient of potential HIV transmission from HIV-infected persons to their partners and thence to uninfected populations. The effect of this newly discovered transmission gradient is to ...

AutoDesk's venerable AutoCAD drafting software features a wide range of tools for designing and drafting architectural and engineering designs. Fleshing out a drawing on AutoCAD can give it additional ...