Ever wondered how animals know when to call it a day and return to their shelters? The colour of light has a major impact on how the brain clock measures the time of the day and on how our physiology and behaviour adjust accordingly.
For football players, being able to quickly judge the jersey colours of teammates and opponents and where they are headed is a valuable skill - and now scientists have found how the brain accomplishes this feat.
The greatest show on the earth, the FIFA World Cup carnival, began with a coruscating opening ceremony, which encapsulated the colour, culture and nature of Brazil, hosting the big football party first time since 1950.
Dev Anand is 87 but doesn`t hide his excitement at watching his hit 1961 film `Hum Dono` in colour. He wants audiences to see his charming self 50 years back and says he will colour more of his black and white films if viewers so demand.