Happy New Year! On behalf of the whole C&EN team, I would like to wish happiness, health, and prosperity all American Chemical Society members in 2021. hope that year has started off well for you. During most 2020, COVID-19 pandemic impacted way we work live. Although vaccinations are now available health-care workers, first responders, like, end is finally sight, still have some go, disruption...

It is presumed that happiness, and its associated positive emotions, signal to the individual that an adaptive problem has been solved, thus allowing her to shift attention to other concerns, perhaps those "higher" on the revised motivational hierarchy proposed by Kenrick et al (2010, this issue). In this commentary, we present a sampling of longitudinal and experimental evidence supporting two...