Top Action Movies to Watch Right Now

Explaining on Instagram: "Follow (us) @Explaining to Learn something NEW every day 🧠💫 Buster Keaton performed one of his most nerve-wracking stunts by standing directly in front of a moving train and calmly clearing debris off the tracks. 🎬😳 In The General (1926), the train rolls toward him as he casually tosses railroad ties and obstacles aside at the last possible second. There were no special effects, no trick photography, and no safety backups. If he slipped or mistimed a move, the conse

Dr. Mohammed Ahmed on Instagram: "Temperature vs. Enzymes - who wins? #igcse #igcse_student #igcseegypt #biologyigcse #biologymindmaps"

Toheed Mehrani on Instagram: "‎Definition and Function of Enzymes ‎An enzyme is a substance that acts as a catalyst in living organisms. ‎ ‎It regulates the rate of chemical reactions without being altered itself in the process. ‎ ‎Most enzymes are made up of protein. A few catalytic RNA molecules exist and are called ribozymes. ‎ ‎ ‎Enzymes work by binding a substrate at their active site to facilitate a reaction. ‎ ‎Historically, processes like the fermenting of wine, leavening of bread, curdl