We all know what a healthy diet should look like: plenty of fruits and vegetables, not too much sugar, not too much saturated fat, and…

　　Groundhog Day 　　cute groundhog is the herald of spring. In Ontario, Canada, when a groundhog sees its shadow after waking up from hibernation in February…

In the minds of many people, technological subversion is subversion, such as browsers, Google, Intel, Apple mobile phones or the future Tesla, those large technology…

The global pandemic of the new crown virus is one of the most daunting challenges faced by mankind since World War II. National health authorities,…