A Puzzling Gravitational Pull | What on Earth? What could be the cause of this excessive gravitational pull? A volcano, or perhaps something else? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Your future gadgets might rely on metals from the seafloor Could your brain repair itself? How Do Vending Machines Detect Fake Coins? Why It’s Almost Impossible to Run a Two-Hour Marathon World’s Heaviest Weight How This Invention Could Save Natural Disaster Victims