To honor the 30th anniversary of the Roger Dubuis watch brand, the company unveiled the Excalibur Grande Complication with three complications and a biretrograde signature, all stamped by Poinçon ...

Look out for this large, leafy lichen on trees in ancient woodlands in the west of the UK. Like other lichen species, tree lungwort is made up of multiple organisms – a fungus and two algae species in ...