People often solve simple arithmetic problems, such as basic addition, subtraction, multiplication or division, in their minds. The precise mental processes they rely on to solve these problems, ...

Eighth graders can be successful in Algebra 1, new research suggests—they just might need some extra support. The findings come from a study of San Francisco schools, which has had a turbulent history ...

Einstein’s equations look simple on paper but when physicists follow them to their logical end, the universe becomes far stranger than anyone expected. Black holes, warped space, time dilation, and ...

When you follow Einstein’s math step by step, you enter a world where intuition starts to break down. His equations of relativity reveal that time slows down near massive objects, space itself bends ...

Eye dilation refers to a widening of the pupils. When doctors dilate the pupils during an eye exam, it typically lasts between 4 and 24 hours. Doctors sometimes use eye dilation drops to dilate a ...

Development and validation of machine learning model for mortality after curative gastrectomy for gastric cancer. The impact of nutritional status on recurrence-free survival (RFS) in patients with ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

One Piece is set in a world of mysteries. Everything we know about the vast world is merely the tip of the iceberg. Eiichiro Oda has several questions to answer before concluding the manga. It’s safe ...

Experts disagree on who needs it and when. Here’s what the evidence suggests. By Michelle Crouch Perhaps the most unpleasant part of an eye exam is when the doctor squeezes in the dreaded drops to ...

Despite more than a century of efforts to show otherwise, it seems Albert Einstein can still do no wrong. Or at least that’s the case for his special theory of relativity, which predicts that time ...

When driving in the evening, oncoming vehicles can dazzle you and impair your vision. Sometimes so badly that you can only make out the edges of the road, the road median or people. Although ...