Ukrainian President Volodymyr Zelenskyy refused to sign an agreement to grant the United States 50 percent of all future reserves of rare earth metals in Ukraine, according to news reports following a ...

Human uptake of microplastic particles (MPs) is causing increasing health concerns, and there is mounting pressure to evaluate the associated risks. While MPs can be ingested, breathed in, or drank in ...

The construction of the new tunnel under the existing railway will break the original stress balance in the engineering area, resulting in the secondary redistribution of surrounding rock stress. The ...