Bird flu: Brazil declares animal health emergency after several cases found
The country is the world's largest exporter of chicken meat, and wants to stop the virus spreading.
Author Archives: BBC News - Business
WhatsApp to allow users to edit messages within 15 minutes
The instant-messaging service, which is used by 2 billion people, counts India as its largest market.
Why car parks are the hottest space in solar power
Car parks are a good place for solar panels, providing shade and electricity where it is needed.