Laut BBC1 kann man mit dieser Todo-Liste seine geistige Kapazität in nur 1 Woche um 40 % steigern:

THE GET SMARTER GUIDE

Saturday

Brush your teeth with your 'wrong' hand and take a shower with your eyes closed.

Sunday

Do the crossword or Sudoku puzzle in your Sunday paper and take a brisk walk.

Monday

Have oily fish for dinner, and either cycle, walk or take the bus into work.

Tuesday

Select unfamiliar words from the dictionary and work them into conversations.

Wednesday

Go to yoga, Pilates or a meditation class, and talk to someone you don't know.

Thursday

Take a different route to work; watch Countdown or Brainteaser.

Friday

Avoid caffeine or alcohol; memorise your shopping list.

Erhlich gesagt kann ich mir das nicht vorstellen.

via SpOn