I'm not sure how it happened.

I'm not sure what I'm looking at.

He said that one of the reasons he invented bebop was that he was pretty sure that white musicians wouldn't be able to replicate the sound.

But Mohammad Jawad felt certain

Not really sure why they show up, but they do.

It's definitely one of the two. I'm not really clear which one.

All you need is the will to achieve what you are hoping for I am proud that I am Egyptian and that I belong to this wonderful generation of Egyptian youth Egypt has truly become a world out of this world, by every measure.

It is weakening social trust and mental stability, with the prevalence of clinical depression apparently on the rise. The mass media have become outlets for corporate messaging, much of it overtly anti scientific, and Americans suffer from an increasing range of consumer addictions.

Not sure how this came to be, but it's not right.

Be sure to taste your words before you spit them out.

I'm not sure what Tom was talking about.

When I got back to his office, I wasn't really sure.

Something like that. I am not sure of that.

Deciphering the script is not just an intellectual puzzle it's actually become a question that's become deeply intertwined with the politics and the cultural history of South Asia.

I am not sure what the prospects are for truly emerging from that impasse.

Since my my first dive in a deep diving submersible, when I went down and turned out the lights and saw the fireworks displays, I've been a bioluminescence junky.

Sparking empathy had become the backbone of Self Evident Truths.

After his divorce with Layla, Sami's whole life was in shambles.

The US was the world leader in high school and college graduation rates for much of the twentieth century. Today it ranks in the middle of the OECD countries.

So the gadgets are getting tinier and tinier but our fingers are essentially staying the same size.

But the blog very quickly became our main marketing tool.

Bureaucracy is a way of life in some Arab countries.

And it really is hidden. I can't find it in this image, and I'm not sure you can.

And we have a more gender balanced newsroom today.

I've subsequently become an envoy for Scotland and HIV.

He was well known for aiding Joseph Stalin in the Military Council (led by Leon Trotsky), having become closely associated with Stalin during the Red Army's 1918 defense of Tsaritsyn.

And wireless communications has become a utility like electricity and water.

But the prospect of Arab democracy has now become a nightmare for Israeli leaders.

With the collapse of the planned economy in 1991, Russia proved to be not so much a developed as a misdeveloped country, unable to sell most of its products in non captive markets.

Quite why he had to pin her fingers to the floor with her brooch, I'm not sure. It seems a bit extreme to me.

There is obviously Einstein, Niels Bohr, de Fermat's last theorem, and I'm not sure whether that's James Coburn or Richard Harris.

The English language became prevalent around the world for many reasons.

The song I Am Woman by Helen Reddy became the unofficial anthem of the Women's Liberation Movement.

A few eurozone members financial troubles have become a problem for all.

Especially after they and the government became one and the same, and they could impose their changes by force and authority and laws...

Thessaly became part of the modern Greek state in 1881, after the Treaty of Berlin.

The conservatives seem to believe that American nuclear protection for South Korea is a thing of the past.

When Falun, officially became a city, in 1641, it was this street that named the city to Falun.

And so I decided to give this a shot heart pounding, I ran my first race and I beat the national record holder by three hundredths of a second, and became the new national record holder on my first try out.

He opposed the Iraq war in 2003 and promised in 2008 that he would end the unlimited war on terror, which had become a potential blank check for US presidents to use force anywhere in the world.

You've never really been sure of this, but I can assure you that this quirk you're so self conscious of is intensely endearing.

It's like science has become that horrible storyteller that we all know, who gives us all the details nobody cares about, where you're like, Oh, I met my friend for lunch the other day, and she was wearing these ugly jeans.

In 1965, Pakistani Foreign Minister Zulficar Ali Bhutto famously declared that if India, its sworn enemy, went nuclear, his country would eat grass and even go hungry in order to develop a nuclear bomb of its own.

That's how, at 17 years old, I started pasting them.

Um, there are I've got far too much money and I have far too much fun in my businesses.