A lion’s roar is one of the most powerful sounds in ... We are going to have the ‘biggest boom’ in the stock market we’ve ever seen Alex Ovechkin breaks Wayne Gretzky's NHL scoring record ...

When standing just a few feet away, a lion’s roar reaches about 114 decibels, which is loud enough to make you physically shake! But how do lions produce such a powerful sound, and why do they ...

Well, there are a few problems there, too. Take that iconic lion roar. Sounds majestic, right? Just like the famous MGM roar. Here's the issue: A lion's roar doesn't sound like that. This is a roar.