Hermann Ebbinghaus discovered something both fascinating and frustrating: we forget most new information shockingly fast . Within a day, much of what we learned can fade unless we actively work to keep it. This steep drop-off is known as the Forgetting Curve , and it shows why cramming rarely works and why long-term retention requires more than just exposure. The good news? We can flatten  the curve. Here are the three most powerful, research-backed strategies to help your le