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 ...

UPDATE (March 11–13, 2026): The US Trade Representative (USTR) has launched two Section 301 investigations into excess capacity and forced labor targeting China and other trade partners, in a move to ...

Confidence in one's value as a human being is a precious psychological resource and generally a highly positive factor in life; it is correlated with achievement, good relationships, and satisfaction.