Mary Berry has shared a number of gardening tips over the years, but there's one piece of advice she believes is the 'most important' - and an expert agrees.

Stepping into the world of gardening, Mary Berry has shared one task she regards as being the "most important", and a horticulture expert has weighed inwith their thoughts.

Researchers have uncovered the enzyme behind chromothripsis, a chaotic chromosome-shattering event seen in about one in four ...