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Graphical methods I: Slug warsTo arm or to disarm? This is the question in Phil Wilson's article, which explores the maths behind a cold war in slug world.
Outer space: A matter of gravityWhat is the cosmological constant?
Beating bird flu with billsThe travels of bank notes give important clues to epidemiologists
Innate geometryIs geometry hard-wired into our brain?
Now you see it, now you don'tMathematicians may make the "invisibility cloak" more powerful
ART+MATH=XCarla Farsi is both an artist and a mathematician, who declared 2005 her Special Year for art and maths. Find out what she got up to, and what it's like being a part of both worlds.
Omega and why maths has no TOEsKurt Gödel, who would have celebrated his 100th birthday next year, showed in 1931 that the power of maths to explain the world is limited: his famous incompleteness theorem proves mathematically that maths cannot prove everything. Gregory Chaitin explains why he thinks that Gödel's incompleteness theorem is only the tip of the iceberg, and why mathematics is far too complex ever to be described by a single theory.
Editorial

Where is the next generation? — more bad news for maths education.