Usually, to extract gold from ores, you must boil the ores in liquid mercury until only the gold remains. This is a dangerous process since […]
by Johnando Scientists estimate that more than 15 million gallons of mercury are contained in the frozen permafrost regions of Alaska. When including the non-frozen soils of […]
by Johnando Here’s an interesting article for all you parents who may like to share your own childhood toys from yesteryear with your little ones today. I’m […]
by Johnando