CrowdScience - What would happen if we fell straight through the earth? - ÃÛÑ¿´«Ã½ Sounds

CrowdScience - What would happen if we fell straight through the earth? - ÃÛÑ¿´«Ã½ Sounds
What would happen if we fell straight through the earth?
Professor Richard Easther from the University of Auckland, New Zealand discusses.