A five-day experiment had just one rule: Do not use any disposable plastic waste. The campaign, undertaken by an Asahi Shimbun reporter, was aimed at exploring what individual Japanese citizens can do ...

[Photo: courtesy Morrama] That at-home tests are made of single-use plastic isn’t all that surprising. When they were first authorized by the Food and Drug Administration in November 2020, the goal ...

‘Xylene solubles’ (XS) is an established term indicating the percentage of soluble species in polypropylene homo- and o-polymers. This value is almost proportional to the amorphous content of the ...