A new film explores a massive effort from scientists, governments, and small businesses to save the Great Lakes from invasive ...

In the world of commercial real estate, having tenacity can help you think strategically and be persistent. You'll be able to ...

In a grueling two-hour and 35-minute contest, the 29-year-old American displayed great tenacity, saving a match point before sealing a 5-7, 6-1, 7-6 (10-8) victory. The American tennis star is ...