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Astronomer Dr Meghan Gray on leap years and Julian dates.

Meghan is making a "guest appearance" on Numberphile and is more familiar to viewers of...

Solution to my last video: http://www.youtube.com/watc...

This puzzle was given to me by Rob Eastaway http://www.robeastaway.com/

Boo...

Send your entries to the Enigma Project http://enigma.maths.org Challenge ends on the 1st of March 2012.

And check out NRICH: http://nrich.maths.or...

never

The last tape

It's so fun))) Game very good ^^ Try it))

PS: Comment

Buy at iTunes: http://goo.gl/zv4o9. New album on sale now! http://turtleneckandchain.com

The 2nd Single from The Lonely Island's upcoming 2nd albu...

I walk down the street just as a million others do

You dont notice us but honey we all notice you

We all realize were down and out

We think we know...

I'm throwing away pictures that I never should have taken in the first place

And it's cold in my apartment as I'm changing all the colors from the ...