Jyoti's Library

How did the Tiger get her stripes? Very few scientists understood how these patterns emerge during the development of an organism and this mystery was solved curiously enough by a mathematician and not a biologist. This is an episode from The Maths Factor series; covers that how Maths and Biology- two subjects when brought together have given the world some of the most miraculous findings! This episode explores this curious connection while wandering through tiger terrain and observe the mathematics behind the patterns on their coats, climb evolutionary trees to see how closely one specie is connected to the other, it also travels to the 19th century and tracks the cholera outbreaks Source: NCERT Watch the video: Click Here

The Doorbell Rang written by Pat  Hatchins   tells the simple story of Sam and Victoria, who were just about to sit down and enjoy fresh cookies when two friends arrive and the four children divide up the cookies four ways. Soon, the doorbell rings again, and  then again, and each time the number of cookies per person dwindles.  The illustrations in this book are admittedly super dated looking! However, we've finally come to acknowledge that it's not the kids who are turned off by dated illustrations. It's us -- the grown-ups!  It's the grown-ups who deem a book 'too dated' simply because we were around back then, so we can recognize the illustrations of our youth. But kids don't. :) So...we are trying to be more 'forgiving' of older books, and consider the storyline a little more strongly.  And t his is a book that stands the test of time. The division lesson in this book is SOLID.  Kids will get the simple dilemma presented (dividing the cookies...