Significance We extend the concept of twistronics to elastodynamic metasurfaces with broken symmetries, unlocking exquisite control over phonon fields. Notably, we predict and experimentally ...

Air-breathing vertebrates incorporate a fraction of isotopically anomalous air O2 in their body water. The 17O isotope anomaly of air O2 (expressed as Δ’17Oair) is related to atmospheric CO2 concen ...

Lower socioeconomic status (SES) is a determinant of many of the health problems that emerge at older ages. The extent to which lower SES is associated with faster decline in age-related functions and ...

Haemophilus influenzae type b (Hib) < 5 y of age. Vaccines not only provide individual protection for those persons who are vaccinated, they can also provide community protection by reducing the ...