Porous materials are materials with pores (cavities, channels or interstices). The characteristics of a porous material vary depending on the size, arrangement and shape of the pores, as well as ...

The sprawling bill would boost fossil fuels and end tax credits for wind, solar power and electric vehicles. By Brad Plumer Beijing must be delighted by how the U.S. is surrendering the future of ...

Fitzpatrick's dermatology in general medicine. 7th ed. New York: McGraw-Hill; 2008. p. 1633-7. 3 Zaballos P, Puig S, Malvehy J. Dermoscopy of pigmented purpuric dermatoses (lichen aureus): a useful ...