Harry Potter star Daniel Radcliffe made the periodic table sexy when he recited it in rap form on The Graham Norton Show but now there's a new line-up of the elements that's even sexier and in hot demand around the world. They are critical minerals, and New Zealand has its own list of 37 - from aggregate to zirconium, described as "funky little rocks" that are essential in building electronics, including military technology. How we extract them and who we sell them to is so sensitive that secretive New Zealand-US talks were going on for months before anyone knew about them. New Zealand has been in ... (full story)