Lastest When heaven are closed gbile akanni news update:2014/04/22 Happy earth day! the 8 biggest mysteries of our planet When the first Earth Day was held in 1970, geologists were still putting the finishing touches on plate tectonics, the model that explains how the Earth's surface takes shape. For today's Earth day, here are some of Earth's biggest unsolved mysteries. Scientists think Earth was a dry rock after it coalesced 4.5 billion years ago. But the beginnings of Earth's water are shrouded in mystery ... 2014/04/24 Brits are vengeful when it comes to their exes London, April 24 (ANI): Brits are real revenge seekers when someone breaks their heart, it has been revealed. According to a new study by MTV to launch their new show 'Ex On The Beach', 85 percent of people admitted they would seek revenge on an unfaithful partner and one out of five would even humiliate their exes by posting compromising photos and videos online, the Daily Star reported.