Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

Add Yahoo as a preferred source to see more of our stories on Google. Using communication strategies that tap into people's social networks can help agencies combat misinformation. arthobbit/iStock ...

It is said that a lie can fly halfway around the world while the truth is getting its boots on. That trek to challenge online falsehoods and misinformation got a little harder this week, when Facebook ...