Events of the collapse of World Trade Center twin towers in New York after being hit by two passenger planes on 11 September 2001 still leav...

Fish is the first group Placoderm jawed vertebrates, and aquatic ecosystems dominate between 430 and 360 million years ago. This ancient fi...

Candle   flame   turned out to contain   an abundance of   diamonds . This is the finding   Wuzong   Zhou ,   scientists   from the   Univer...