Scientists stunned after discovering coral so massive it can be seen from space: 'Pulsing with life and color' Trudeau’s top lieutenant resigns over differences on Trump Social Security Is ...

Levels of mercury persist in tuna, decades after pollution controls were introduced to limit emissions, scientists say. The poisonous element is released by mining and burning coal and ends up in ...

An curved arrow pointing right. You definitely shouldn't mess around with mercury, but if you want a safe, similar, tactile experience, a metal called Gallium is widely available online.