If you are on sick leave for work-related stress don't pick a fight with a shark on a popular beach.
English writer Enid Blyton is one of the most popular authors in the world. More than 400 million copies of her children's books have been sold worldwide.
Luis Prado has created what he hopes will become the international symbol for global warming.
Obesity is back in the headlines in the UK, with the Academy of Medical Royal Colleges calling for fizzy drinks to be heavily taxed.