Did you know that within one hour, a person forgets nearly half of what they learn? And that within 24 hours, almost two-thirds of previously learned information is forgotten? Hermann Ebbinghaus was ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding Lifehacker as a preferred source for tech news. It seems like common sense ...

Every year, billions are spent in sales training. Yet all the data shows over 80% of what is taught is forgotten within 90 days. As a result, what really is happening is that every year we are ...

And what we can see is regardless of whether or not the timescale is a matter of seconds as such in the left graph, or a matter of years, such as what we see on the right graph, we see the exact same ...

Research shows we tend to forget most of what we learn or experience within 24 hours of encountering it. In fact, almost 50% of the knowledge we take in vaporizes within the first 20 minutes of ...

It is something we all experience. We learn something, but then forget it as soon as we turn away. In the late 19th century, ...

Forgetting is an evolutionary advantage: if the brain retained every memory and held onto every bit of information it takes in, it would be impossible for individuals to act. We need for our brains to ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

A dynamic and engaging teacher stands before a class and delivers a vibrant lesson her well-intentioned students are eager to learn. Even in this best-case scenario, approximately half of what that ...