#194      29 min 29 sec
Degrees of uncertainty: Modeling the climate impact of greenhouse gases

Dr Malte Meinshausen

Senior climate impact researcher Dr. Malte Meinshausen explains how climate change is modeled, and estimates the effect of timely mitigation of  greenhouse gases in the atmosphere. With science host Dr Shane Huntington.

#193      22 min 36 sec
Freer and fairer: Nurturing political transparency in the Middle East

Charles W. Dunne

Charles W. Dunne, Director of Middle East and North Africa Programs for Freedom House, speaks about the efforts of his organisation and others like it to provide political education and training on the ground in the Middle East. With host Jacky Angus.

#192      24 min 22 sec
Diagnostics overkill: Are we screening for cancer too frequently?

Prof. James Hanley

Epidemiologist Professor James Hanley scrutinizes the now standard practice of frequent screening for many types of cancer, and suggests optimal testing intervals may mean less screening overall. Presented by science host Dr Shane Huntington.