Currently, PET scanner validation phantoms, methods, and acceptance criteria for clinical trials are not standardized. This situation generates substantial inefficiencies with many scanners being ...

Plants produce a wide diversity of compounds. Broadly, these are separated into primary metabolites, which are necessary for ...

Western researcher Shannon Stewart is developing quality indicators to measure, and ultimately improve, mental health services for children and youth.

At the northernmost tip of Brazil, where the Amazon spills into the Atlantic, a fragile web of estuaries, mangroves, ...