LE SAVIEZ-VOUS ?

                                                                                                                                                                                                                                                                                                                                                                                                                       * Le verre met plus d'un million d'années à se décomposer, ce qui signifie qu'on peut constamment et sans cesse, le recycler.

                                                                                                                                                                                                                                                                                                                                                                                           * L'or est le seul métal qui ne peut rouiller, même enfoui dans la terre pendant des milliers d'années.

                                                                                                                                                                                                                                                                                                                                                   * Les cerfs-volants étaient utilisés durant la guerre civile américaine pour la livraison de courriers et de journaux.

                                                                                                                                                                                                                                                                                                                                                            * La chanson "Auld Lang Syne" est entonnée au coup de minuit de chaque nouvelle année, dans la plupart des pays anglophones.

                                                                                                                                                                                                                                                                                                                                * Le bruit que l'on entend lorsque nous nous collons un coquillage contre l' oreille n'est pas le bruit de la mer, mais bien celui de la circulation sanguine dans l'oreille.

                                                                                                                                                                                                                                                                                                                            * 90 % des créatures vivantes évoluent dans les océans !

                                                                                                                                                                                                                                                                                                                                                             * La banane ne peut se reproduire par elle-même. La manipulation humaine est la seule manière de la propager.

                                                                                                                                                                                                                                                                                                                                                    * Les aéroports situés en haute attitude nécessitent des pistes d'envol plus longues car la densité de l'air y est moindre.

                                                                                                                                                                                                                                                                                                                                              * L'université de l'Alaska s'étend sur quatre fuseaux horaires.

                                                                                                                                                                                                                                                                                                                                                                                                                          * La dent est le seul organe du corps humain qui ne peut se guérir par elle-même.

                                                                                                                                                                                                                                                                                                                            * Dans la Grèce antique, le fait de lancer une pomme à une dame, équivalait traditionnellement à une demande en mariage, et si la dame l'attrapait, elle signifiait son acceptation.

                                                                                                                                                                                                                                                                                                                                                                                            * La compagnie Warner a déboursé 28 millions de $ pour acquérir les droits d'auteur du refrain "Happy Birthday" (Bon Anniversaire)

                                                                                                                                                                                                                                                                                                             * La caféine renforce le pouvoir de l'aspirine contre les douleurs, c'est pour cela qu'on en trouve dans plusieurs médicaments.

                                                                                                                                                                                                                                                                                                                                                                                                                * La tradition du salut militaire remonte au Moyen Age : pour un chevalier, c'était l'action de relever la visière de son casque  d' armure afin de s'identifier.

                                                                                                                                                                                                                                                                                                                                           * Si vous vous trouvez au fond d'un puits ou d'une cheminée, regarder vers le haut vous permettra de voir les étoiles, même en plein jour.

                                                                                                                                                                                                                                                                                                                 * Lors du décès d'une personne, l'ouïe est le dernier sens à rester actif, et la vue fait défaut en premier..

                                                                                                                                                                                                                                                                                                     * Au Moyen-Age, le fait de se serrer la main apportait la preuve de l'absence d'une arme.

                                                                                                                                                                                                                                                                                                                              * La framboise est le seul fruit dont la graine pousse à l'extérieur.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                         * Le fruit qui possède le plus de calories est l'avocat (167 calories par 100 grammes).

                                                                                                                                                                                                                                                                                                                                           * La lune s'éloigne de la terre d'environ 5 cm chaque année, et la terre s'alourdit de 100 tonnes par jour à cause des retombées de poussières spatiales.

                                                                                                                                                                                                                                                                                              * La gravité terrestre limite la hauteur maximale des montagnes à environ 15.000 mètres.

                                                                                                                                                                                                                                                                                                                        * En traversant un pont, les militaires évitent de marcher au pas afin de ne pas générer de vibrations pouvant fragiliser sa structure et le détruire.

                                                                                                                                                                                                                                                                                                                                                                     * Chaque kilogramme supplémentaire à bord d'une fusée spatiale nécessite 530 kg de carburant.