We track four people on their journey.
Zika virus: 'We have more questions than answers'
Ram Madhav, National General Secretary of India's ruling Bharatiya Janata Party, on Hindu nationalism.
Politics, India, Narendra Modi, Religion, Kashmir
US Ambassador Paul Bremer, former administrator of Iraq, discusses whether his policies led to the rise of ISIL.
04 Dec 2015 19:46 GMT
Former Motherland party representative Natalia Narochnitskaya discusses Russia's stance on Ukraine, ISIL and Syria.
12 Dec 2015 09:28 GMT
Former Foreign Minister Hina Rabbani Khar on Pakistan's role in the so-called "War on Terror".
18 Dec 2015 19:51 GMT
World-renowned feminist author and democracy campaigner Naomi Wolf on the state of feminism and civil liberties.
14 Aug 2015 19:55 GMT
Mehdi Hasan challenges Martin McGuinness, exploring the definition of terrorism and when to negotiate with the enemy.
14 Mar 2014 19:51 GMT
Michael T Flynn, the former head of the US Defense Intelligence Agency, on how to deal with ISIL and Iran.
29 Jul 2015 12:41 GMT
A selection of short video clips from Head to Head interviews tackling some of the big issues of our time.
Al Jazeera World follows the everyday lives of Aleppo residents living amid the ongoing conflict and destruction.
A look at the ancient roots of food and the unrest simmering over rising cost of staples before Egypt's 2011 uprising.
We investigate the sinister and mysterious murders of some of Uganda's leading Muslim clerics.
Activist Maryam al-Khawaja in debate with Mansoor al-Arayedh, the chairman of the Gulf Council for Foreign Relations.
Human Rights, Bahrain, Arab Spring
As the WHO investigates the massive outbreak of microcephaly in Brazil, we travel to ground zero of the epidemic.
Health, Latin America, Brazil
Hundreds of Cambodian journalists make a living by uncovering news and then extorting bribes to bury the story.
Media, Journalism, Cambodia
How will improving relations between communist Cuba and the capitalist US affect the lives of people on both sides?
Politics, United States, Cuba