Onions Could Stop Cows From Farting The Planet To Death Cows produce 500 liters of methane a day, adding to the dangerous volume of greenhouse gases in our atmosphere. Could onions be the answer? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts How Satellites Mapped The Whole Ocean Floor What If All the Money in the World Is Gathered into One Place? Which Way Is Down? – Vsauce How Do Matter and Antimatter Interact? Exploring the Arctic’s Global Seed Vault Will YouTube ever run out of video IDs?