How long is Switzerland's border?

  • 1,881 km?
  • 1,899 km?
  • endless?

Send the correct answer under the word ‘Mandelbrot’ with your address to contact@true& and you will receive a small gift by return mail. 

Sir Roger Penrose

is another exponent of chaos theory. He discovered aperiodic tessellations, which remarkably show no symmetry throughout. Find out more fascinating, recreational mathematics here.



Game theory

has produced eight Nobel laureates since 1994. The first, John Nash, is the subject of the Academy Award-winning film ‘A Beautiful Mind’. Watch.



Tell the truth

by Eric Clapton: listen.




Nature doesn't need people

starring Julia Roberts: be astonished.