Scientific Facts The ideal dimension for ship stability is a length six times that of the width. Female mosquitoes are non- vegetarian in nature and continue their existence by taking the blood of human-beings and other animals. Only in the last century have we discovered that there are towering mountains and deep trenches in the depths of the sea. Female mosquitoes are responsible for the spreading of the infectious diseases like Malaria, Dengue fever and Chikungunia etc. Washing soda: chemically it is Hydrated Sodium Carbonate. Chemically Cooking soda is Sodium Bicarbonate. If ornaments prepared with pure gold (24 carrots) does not give much brightness and also not so attractive, that is why, copper is added to the gold to prepare the ornaments (making it to 22 carrots), which are very shinning. These are more popular in India. There are 29 bones present in our head. Those who are pregnant after 35 years will have the 1 in 27 chance of giving delivery of twins.