The trees exchange carbon dioxide and oxygen with the atmosphere through little “mouths” in their leaves and tiny “windows” ...

It’s not hard to see why flowering dogwoods (Cornus florida) are classed as one of America’s most breathtaking native ...

Coming up at: 21:58 Weather View full schedule Australian bark shield (made in 1770), from Botany Bay, New South Wales Today's object is one of the most potent in the whole of this series.