Radio 4 in Four - Why nothing in the natural world is round - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - Why nothing in the natural world is round - ÃÛÑ¿´«Ã½ Sounds
Why nothing in the natural world is round
Nothing - not even Earth, cells or bubbles - is naturally round in the Universe.