Q: What are kidney stones and how do I prevent them? Kidney stones are common, impacting approximately one in five men and ...

But sometimes the stone is large enough and will impair urine flow, leading to pain and blood in the urine. It may also impact kidney function or cause an infection. Larger stones can cause serious ...

Thousands of years ago, people on what is now the Danish island of Bornholm threw hundreds of mysteriously carved stones into a ditch before burying them.

Located on the southern end of the Danish island of Bornholm, these stones are flat pieces of shale featuring intricately drawn Sun motifs. Scholars now speculate that these stones might have been ...