What is a ‘supermoon’? Tom Kerrs from the Royal Observatory explains the phenomenon that causes the moon to look larger and brighter. Source
Chief vet defends support of larger hen cages On Twitter, Nigel Gibbens says the pens are a "necessary defence" against bird flu. Source
The other Dodo: Extinct bird that used its wings as clubs In the middle of the 18th century, a large flightless bird became extinct on an Indian Ocean island. Source