We track four people on their journey.
Zika virus: 'We have more questions than answers'
03 Nov 2013 18:18 GMT | Africa
Malian refugees in Mauritania are complaining that they are not receiving essential food supplies at the Mberre camp.
Doctors also say there is a high rate of disease among children there because of malnutrition.
Al Jazeera's Mohamed Vall reports.
Refugees pour into neighbouring Mauritania where camps are already dangerously overcrowded.
Politics, Africa, Mali, Mauritania
Witnesses describe executions, amputations and use of child soldiers, as UN warns of up to 700,000 more refugees.
Africa, Algeria, Burkina Faso, Guinea, Mali
Transport apps are revolutionising commutes for the middle classes, but poorer citizens still face daily gridlock.
Poverty & Development, Asia, India
Cubans get amnesty at the US border, but reaching it involves a risky journey along the Central American migrant trail.
Human Rights, Latin America, Cuba
In many ways, Michael is just like any other 11-year-old, but he has had four open heart surgeries.
Health, US & Canada
Follow a dancer through the exhaustion and jubilation of Peru's days-long Virgin of Candelaria festival.
Arts & Culture, Latin America, Peru
Group says it attacked Daallo Airlines after its initial target, a Turkish Airlines flight, cancelled Mogadishu flight.
Somalia, Al-Shabab, Africa, War & Conflict
With Russia changing the balance of power, Syrian president vows to retake the country, but a heavy price will be paid.
Syrian Civil War, Bashar al-Assad, Syria, United States, Middle East
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