[nl]

Cat Litter (and other absorbency products like diapers) are one of the most competitive areas of consumer material science.

I read a great article about how there is continual pressure the shrink the shelf space they take from super markets, and that has led to some pretty interesting breakthroughs in science.

I can't find the article now of course.

[gwern]

If you ever refind that article, please send it to me.