The question of how and why organisms age has teased scientists for centuries. There are myriad competing theories, from the idea that aging is a simple wear and tear process, like the rusting of a car, to the belief that aging and death are genetically programmed and controlled. In fact, there is no clearly defined limit to life, and no single, predictable program playing itself different thin…
Najla paling payah dalam pelajaran Matematika. Walau ia sudah coba belajar sendiri, tetap saja nilainya ulangannya tidak pernah bagus. Najla sampai harus ikut ujian remedial. Kalau begini, apa yang harus Najla lakukan ya, agar nilai Matematika-nya meningkat?