The key to remaining mentally sharp and physically fit in old age might be a brain exercise used to expose Cold War-era spies. In the mid- to late-20th century, American officials were wary of Russian ...

Tonight on "Nightly News" we told viewers about a cognitive self-assessment test developed by researchers at Ohio State University that can help determine your mental acuity.

Founded in 1957, Kawasumi Laboratories Inc. was Japan’s first manufacturer of disposable plastic medical devices for blood transfusion and collection purposes. Among their range of plasmapheresis and ...

1 Minute Brain Teaser: Nothing can be better than a bowl of fresh fruits for breakfast. In case, you missed yours, take this raspberry and strawberry brain teaser. This brain teaser is a visual puzzle ...

Optical illusions have long been used to test the sharpness of our minds and the swiftness of our perceptions. These tricky visuals challenge our brains to look beyond the obvious and uncover hidden ...

Online brain teasers have become a widely beloved pastime, offering users a light-hearted escape from daily routines while keeping their minds sharp. These puzzling riddles not only entertain but also ...