what are the prospects of solar energy as an alternative commercial source of energy today ?

the solar industry today is being considered for the first time in a serious manner as an alternative clean fuel source to generating energy when compared to dirty fossil fuels like oil and coal that generate energy such as electricity.… Continue Reading

The earliest traces of life on earth?

Please help I really need to know these, ten points for whoever can answer all correctly The Earliest Traces of Life 1. When do scientists think life originated on Earth? 2. What are the oldest fossils and how old are… Continue Reading