(M)any materials experience "fatigue", where, because of cyclic loading, they'll begin to deform or even fail well below their theoretical yield strength
COVID-19 can cause long-term health problems, from organ damage to brain fog and maybe even diabetes. Please wear a mask in public and avoid unnecessary outings (M)
I really wish that climate change, vaccines, mask wearing, etc. hadn't become politicized. Our near- and long-term future would be a lot more hopeful (M)