The creepy toilet noise that’s draining your wallet

The five most common reasons your toilet is 'haunted' by high water costs and how to fix it.
C&EN

Identification of Species in Animal Feedstuffs by Polymerase Chain Reaction−Restriction Fragment Length Polymorphism Analysis of Mitochondrial DNA

Istituto di Zootecnica, Facoltà di Medicina Veterinaria, Università degli Studi di Milano, Via Trentacoste 2, 20134 Milano, Italy, and Dipartimento di Genetica e Microbiologia, Università di Pavia, ...