Baby teeth, or milk teeth, act like lighthouses to guide the adult ones to their correct destination. A baby tooth will become wobbly and fall out because the adult tooth that follows pushes through to break down the roots of the baby tooth. Dr Arosha Weerakoon writes for The Conversation.
New research from The University of Queensland illustrates, to a certain extent, why we can take someone at 'face value' and why we develop ‘gut feelings’ about a person within a split-second.
For anyone wanting to know more about athletics, World Athletics have launched an innovative eLearning platform designed to educate everyone from newcomers to experts.