Health Secretary Robert F. Kennedy Jr. looks poised to win the battle over fluoride, to the dismay of dentists and oral ...

A pair of ladder-type multigap cavities, namely, wide-coupling cavity and narrow-coupling cavity, were comparatively studied to improve the performance of G-band extended interaction klystrons (EIKs).

Dental plaque is a complex biofilm at the heart of oral disease. Learn how it causes cavities and gum inflammation and why ...

Why is it important to improve the detection of dental caries (tooth decay)? Dentists often aim to identify tooth decay that has already advanced to a level which needs a filling. If dentists were ...

Scientists have created micro-robots for sinus infection treatment that can enter the nasal cavity, eliminate bacteria ...

Methanol to olefins (MTO) reaction over H-RUB-50 zeolite, an eight-membered ring (8-MR) and cavity-type zeolite, presents higher selectivity for ethene. The host–guest interaction was dissected and ...

Photonic crystal cavities embedded in photonic crystal waveguides are investigated using a nanopositioning photoluminescence mapping technique. Coupled-cavity modes near telecom wavelengths are shown ...