SoT 99: Are They Good Eating?

Published: May 4, 2013, 7 a.m.

Can we innoculate babies with 'good' bacteria to ward of bad bacteria? An ugly, unpalatable living fossil fish gives clues about the origins of limbs. A 'nano-suit' could protect living specimens in scanning electron microscopes. At what point does a baby become conscious? And more evidence suggests island dwarfism is behind the 'hobbit' remains discovered on the island of Flores in Indonesia.