As climate change and growing electricity demand spark the search for new renewable energy, researchers have been recently looking at the ocean for answers. Among many promising marine energy solutions lies ocean currents, which are under exploration to hopefully supply renewable electricity on a grand scale.  Driven by wind, temperature, and salinity changes, ocean currents...

Leo Sun, The Motley Fool 4 min read Amazon’s stock outperformed the S&P 500 over the past three years. Its e-commerce and cloud business are still growing. Its stock looks undervalued relative to its growth potential. 10 stocks we like better than Amazon › Amazon (NASDAQ: AMZN) is the world's largest e-commerce and cloud infrastructure...