So all these efforts either hide things in wavelengths longer than we can see - radio, microwaves and a bit of infrared - or hide objects so small we can't see them.

BBC: Invisibility cloaks: Will we ever really have them?

We have many things on which we disagree, but NATO needs Russia and Russia needs NATO, so let's work on the things we agree on, and let's not hide our disagreements and let us realize that also this relationship can and in my opinion should be -- should be strengthened.

WHITEHOUSE: President Obama Meets with NATO Secretary General

Our detective hero gives in to pleas from his significant other to help out her former husband, whose superficial success and savoir faire barely hide how ugly a hash he's made of things.

FORBES: Fact and Comment

Historically, people have done many things to avoid taxes including move, barter, hide income, defer investment and take less risk, i.e. they decide not to try to make money.

FORBES: Keynes Would Not Raise Taxes Today

Dacher Keltner, a psychology professor at University of California, Berkeley, says studies have shown that people who use Botox to hide lines on their face feel less pleasure in response to subtle things around them and aren't able to read other people's emotions as well.

WSJ: Stress-Busting Smiles