The P-39 was used by the Soviet Air Force, which used it to score the highest number of kills attributed to any US fighter type flown by any air force in any conflict. [N 2 ] Other major users of the type included the Free French, the Royal…
The Lockheed Martin RQ-170 Sentinel, nicknamed Wraith, [2 ] is an American unmanned aerial vehicle (UAV) developed by Lockheed Martin and operated by the United States Air Force (USAF) for the Central Intelligence Agency (CIA).
Trained immunity is the enhanced response of the innate immune system to a secondary infection after an initial encounter with a microorganism. This non-specific response to reinfection is a primitive form of adaptation that has been shown…
Haifa (en hebreo: חֵיפָה [χei̯ˈfa] [jei.fá]; en árabe: حيفا Ḥayfā o Ḥefa [ˈχai̯fa] [ jái.fa]) [3 ] es la mayor ciudad del norte de Israel y la tercera ciudad más grande del país después de Jerusalén y Tel Aviv.
The AMP-activated protein kinase (AMPK) regulates cellular energy homeostasis by sensing the metabolic status of the cell. AMPK is regulated by phosphorylation and dephosphorylation as a result of changing AMP/ATP levels and by removal of…