In the past two decades many United States jurisdictions have adopted statutes promoting joint legal custody, shared parental responsibility, and continuing contact with both parents following ...
And again and again, these decorated mathematicians were unable to find a solution to what became known as the Conway knot problem. The problem had to do with proving whether Conway’s knot was ...
In April, scientists solved another problem of everyday physics - why shoe laces come undone. They found the force of a foot striking the ground stretches and then relaxes the knot, while a second ...