You forget 67% of new material within 24 hours. Ebbinghaus's forgetting curve, the spacing effect, and the testing effect show how to keep it instead.
Warm colors improve recall by about 11%, standout items stick 6.9 points better, and high contrast is encoded more efficiently. The science of color and memory.
Working memory holds only 3 to 4 chunks at a time. Miller, Paivio, Sweller, and Bjork on packaging material so it actually sticks.
Reading 1,000+ words per minute with full comprehension is physically impossible. What works instead: SQ3R and a complete evidence-based system.