The deceptively simple Kakeya conjecture has bedeviled mathematicians for 50 years. A new proof of the conjecture in three ...

Here is a list of our partners and here's how we make money. A budget planner is a tool, such as a worksheet or template, that you can use to design your budget. A successful budget planner helps ...

Soon after it was first marketed in 1976, colorless cubic zirconia became the dominant diamond imitation, with current production of approximately 60 million carats per year. Although cubic zirconia ...