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

Not long after they returned to England, Banks and others recommended Botany Bay as a penal colony ... and particularly for indigenous Australians." The bark shield stands at the head of centuries ...

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.

Not long after they returned to England, Banks and others recommended Botany Bay as a penal colony ... and particularly for indigenous Australians." The bark shield stands at the head of centuries ...