Matt Damon is refusing to go to the bathroom until everyone in the world has access to one. Of course, he has gone to the loo since this speech, but he's making a good point! Read more about SA's water crisis.
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The reason why men often appear not to be listening could be because they actually can't hear you.
We know the rules – brush your teeth twice a day and floss to keep them healthy. But, have you ever wondered what causes those stains that sometimes appear?