Month: June 2023

A study by Columbia Engineering and the University of Exeter shows that the Montreal Protocol, a global treaty ratified in 1989 to reduce atmospheric concentrations of ozone-depleting substances (ODSs), is...

A material-and-action sequence for strike-a-light firemaking representing planning depth and prospective cognition. Credit: Cambridge Archaeological Journal (2023). DOI: 10.1017/S0959774322000439 Professor Marlize Lombard, University of Johannesburg, South Africa, who has a...

UV-vis reflectance spectra collected during the irradiation of 13C-acetylene (13C2H2) and 13C-methane (13CH4) ices. (A) 13C2H2 ice irradiated at 10 K. (B) 13C2H2 ice irradiated at 40 K. (C) 13CH4...