Kitchen Countertops Tied To Silicosis, Lung Damage, Deaths In Workers It's called silicosis, and it's been known about for decades. So why is it now emerging in new numbers among workers who cut kitchen countertops? NPR science correspondent Nell Greenfieldboyce explains. More of her original reporting on silicosis is here. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at firstname.lastname@example.org.