In a surprise finding, scientists have discovered that a white whale can make voices uncannily close to human speech.
Dolphins sleep with only one half of their brains at a time - a trait that allows them to stay constantly alert for at least 15 days in a row.
Day in Pics: 22nd October
Showbiz World - October 22, 2014
Aamir Khan's sensational 'PK' posters