MOSCOW – Russia’s President Vladimir Putin on March 27 launched a nuclear-powered submarine equipped with hypersonic Zircon missiles capable of travelling at several times the speed of sound.

National Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao 266580, China ...

Recent scientific modeling in analogous geological environments, such as France's Rhine graben, demonstrates substantial hydrogen generation from biotite-rich granites, confirming the significant ...

To establish the petrogenesis and timing of mineralization in the Xiahulin lead-zinc deposit, zircon U-Pb dating was performed on the mineralization-associated ... 0.5–1.5 mm) (Figure 4B), with minor ...