ELI5: Why do organisms age, when evolution often favors survival?

ELI5 can some one pls explain the alter-magnetism? that got measured for the first time in 2024 but scientists had a hunch existed in 2019, I don't under stand it but I need too for a school project.

ELI5 how are labgrown diamonds made?

ELI5: What is the golden ratio?

ELI5: Why do multinational corporations that sell the same product worldwide need regional offices?

ELI5: What is affirmative action and how does it work?

ELI5: What happens if you call 911 for someone that's not in your area?