Severe Air Pollution Might Have Killed Millions Worldwide New research suggests air pollution, both inside and outside the home, is the fourth leading contributor to deaths globally. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts New 600-Million-Year-Old Fossil is the World’s Oldest Sponge What If You Stopped Drinking Water? Did Science Just Prove Women Are Nicer Than Men? Can We Really Have Stealth Helicopters When They’re So Loud? The Physics of Skating on Ice How Do They Mine Diamonds?