Polar Bear has always been a source of attraction for me because my childhood memories are connected with the cartoonic version of PB. The intensity of the seasons is destroying the every single habitat of the species but after reading the blog the situation of PB seems quite critical.
On the other hand, i do not know this information about them, wow this is something amazing Munawar :)

The length of adult polar bear is 3m and weight is almost 680 kg. Surprisingly, they can run at speed of up to 40KM/h. They can swim in water at speed of 10KM/hr. They can bear very low temperature of -36°C but their body temperatures remains stable at 31°C. Their sense of smell is very sharp. They can trace the seal at a distance of 32KM away.

Lets hop for the best conditions of this rare specie in the future,otherwise our kiddies will read them in the stories books, Alas!