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A conversation about mathematics between the UK and USA from Pulse-Project.org. This week Samuel and Peter spoke about: Facebook's '3.74 degrees of separation'; Matrix algebra news; Network Theory of Basketball; Calculators in primary school; Google Shows Some Love to Math Lovers; GCHQ spy recruitment code solved, would-be spies directed to £25,000 job vacancy; Introductory Calculus for Infants; Fibonacci Scarf; Straight Statistics merges with Full Fact; EPSRC Mathematical Sciences fellowships update; Physics and mathematics teachers; Princess in a Castle news; and more.

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Anatomy of Facebook

Facebook's '3.74 degrees of separation' is far from being significant

Key mathematical tool sees first advance in 24 years

Breaking the Coppersmith-Winograd barrier

Network Theory of Basketball

Children ‘over-reliant on calculators’ in maths lessons

Calculators in schools: Pupils face limits

Subtracting calculators adds to children's maths abilities, says minister

Zeilberger 15th Opinion

The Feeling Of Power by Isaac Asimov

Google Shows Some Love to Math Lovers

GCHQ spy recruitment code solved

Would-be spies who crack GCHQ code directed to £25,000 job vacancy

Introductory Calculus for Infants

Fibonacci Scarf

Shape of the universe explained through art

Everything & Nothing Workshop Videos

Straight Statistics merges with Full Fact

EPSRC Mathematical Sciences fellowship

Physics teachers

Guardian blog: 8128 and perfect numbers

Princess in a Castle

Newcastle MathsJam November 2011 recap

IMAMATHSBLOGGER: Lessons for mathematical modelling from the global financial crisis

Preparedness for mathematics at university

Early Morning Mathematics

Get in touch to tell us where you're listening from and what's happening in your world, or with any questions, comments or puzzles, at samuel@acmescience.com

Find Samuel Hansen at samuelhansen.com and acmescience.com and on Twitter as @Samuel_Hansen and @acmescience.

Find Peter Rowlett at peterrowlett.net or on Twitter as @peterrowlett.

© 2011. All content, Pulse-Project.org