Brazil

Join virologist Mike Leahy as he explores Brazil where the tiniest animals can deliver a deadly punch. Dr Mike looks at fire ants, and invisible worms and the notorious candiru fish. He keep... Read allJoin virologist Mike Leahy as he explores Brazil where the tiniest animals can deliver a deadly punch. Dr Mike looks at fire ants, and invisible worms and the notorious candiru fish. He keeps at arm's length from a deceptively innocent caterpillar which can administer a nasty tox... Read allJoin virologist Mike Leahy as he explores Brazil where the tiniest animals can deliver a deadly punch. Dr Mike looks at fire ants, and invisible worms and the notorious candiru fish. He keeps at arm's length from a deceptively innocent caterpillar which can administer a nasty toxin through needle-like hairs.