
Body Fat Index % | Durnin & Womersley method
Among affordable methods for measuring body fat percentage, using a skinfold caliper is still the best and the four spot formula by Durnin and Womersley is very accurate for most people.
Protocol: measure (in mm) the 4-site skinfold as described below in the pictures. Then refer to the following table to find out the corresponding body fat %.


Colors | Names & codes
140 colors are named and recognized by many systems (browsers, development programs…). W3Schools.com, a web development resources website, is providing in a very easier manner the list of colors’ codes & names.
Maps | The Worldmap War
Many projections of the globe have been published over the centuries, despite the mathematical impossibility of a rectangular projection. There is then a heated debate about which is the most accurate. Impossible question of course as it depends on which parameter you value the most: angles, areas or distances. There is no way to be accurate on one parameter without changing another incorrectly.
Here are some pages to help to better understand the differences between the different projections available:



Map | History of Europe/World
Source: EmpororTigerstar
Source: Cottereau
Source: Ollie Bye
Cartes éditables vectorielles | Excel et Powerpoint
Pour créer des cartes intéractives pour vos présentations PPT, vous avez besoin de cartes vectorielles avec une séparation des pays ou des régions.
Les cartes sont disponibles en GIF, PDF, CDR, SVG et AI. Télécharger la carte au format SVG, et la convertir en WMF (avec Inkscape). Ensuite importer l’image dans Excel ou Powerpoint. Clic-droit sur l’image et choisir “dégrouper”. Toutes les zones deviennent sélectionnables à volonté (pays, région etc.).
Life after people
On the heels of the History channel special that explored what Earth might be like if the human race were suddenly to disappear comes a series that provides, in even-more detail, a picture of a post-human future, revealing the fate of structures like the Sears Tower and the Sistine Chapel and creatures that might inherit the places we once lived. Supporting the visuals and special effects are interviews with specialists from the fields of engineering, botany, biology, geology and archaeology.
Crocheter une serrure
[youtube https://www.youtube.com/watch?v=8xH5NZbFmDA&w=560&h=315]