Did You Know? 4 : Further 500 Facts Revealed

Radha Gobinda Chandra, a Bangladeshi-Indian astronomer recorded more than 49,700 new stars.
Bluetooth is named after a Danish King.
Chicken odour repels mosquitoes.
Unreadable handwriting is called griffonage.
There are four new additions to the Periodic Table.
A waterfall in Hawaii sometimes goes up instead of down.
Did You Know? 4 includes and explains several interesting facts around us that normally go unnoticed but have a bearing on our day-to-day life. This volume will amaze the readers with its wide coverage of topics and excite them with the unexpected.