In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) ...

IT was previously shown 1,2 that methæmoglobin forms with hydrogen peroxide and ethyl hydroperoxide reversible compounds analogous to those which it forms with cyanide, sulphide, azide and fluoride.

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...