Katy Rank Lev

Henrietta Lacks didn't know it, but her cells helped develop the polio vaccine and medications for most illnesses treatable today. A new book by Rebecca Skloot reveals the woman behind it all.

Researchers develop a type of Victorian ear trumpet capable of listening at the molecular level.

10 things to know before you remodel.

GTECH reclaims vacant lots in Pittsburgh to promote sustainability and revitalize blighted areas.