A simple looking math problem has stumped people online. Can you remember the golden rule from grade school to get the right answer?

In grade school, you were probably constantly drilled on mathematics. Whether it be multiplication tables, simple addition, or complicated division, it was taught over and over again that quick math ...

Japanese macaques gather to keep warm at Takasakiyama Monkey Park in the city of Oita on Dec. 23, 2022. (Mainichi/Nao Ishii) TOKYO -- A team of scientists in Japan recently announced the discovery of ...