4+ hour, 55+ min ago   (245+ words) Premieres Tuesday, Feb. 3, 2026 at 10 p.m. on KPBS TV / Stream with KPBS+ For decades, PFAS, a group of manmade forever chemicals prized for their water- and stain-resistance, were ubiquitous in everything from nonstick pans to raincoats to shoes.But accumulating research has…...

3+ mon, 3+ week ago   (226+ words) STOCKHOLM " Susumu Kitagawa, Richard Robson and Omar M. Yaghi share the Nobel Prize in chemistry for their work in the development of metal'organic frameworks. Hans Ellegren, secretary-general of the Royal Swedish Academy of Sciences, announced the chemistry prize in Stockholm on…...