This week, a migration special: a researcher seeks refuge, smart borders, and climate migration.

In this episode:

00:48 Refugee researcher

Scientist Kassem Alsayed Mahmoud recounts his perilous journey from war-torn Syria, to the Free University in Brussels. Feature: Stateless scientists; Scholars at Risk

10:23 Managing climate migration

Is the world ready to deal with the people that climate change forces from their homes? Nature Podcast: 15 January 2015; Alaska Institute for Justice

17:23 Numbers in context

The European migrant crisis has drawn attention due to the huge numbers involved. But are the numbers unprecedented? Feature: Where refugees are going

19:10 Smart borders

Can we trust computers to decide who can cross our borders? Comment: Protect rights at automated borders

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