Like many other animals, mature whales produced calls that were clearer, longer, and more structurally complex.
Julia Reda, a German MEP and copyright reform activist, said: "They recognise that German and Spanish rights did not work well, but structurally they are trying to do the same thing.
As a report suggests, "There is growing evidence that musicians have structurally and functionally different brains compared with non-musicians.
Mounting debt exposure within already structurally vulnerable economies could exacerbate domestic inequalities and potentially encourage unfair practices.
It is structurally sound and along the walls you might be able to identify exposed mineral veins.