We track four people on their journey.
Why Iraqi refugees abandon Europe and return home
19 Aug 2013 16:56 GMT | Science & Technology, Europe, United Kingdom
Social networking site Ask.fm says it will introduce new measures to tackle cyberbullying.
It was criticised after the deaths of at least two British teenagers who had used the site.
Al Jazeera's Harry Smith reports.
Source: Al Jazeera
British PM asks internet users to not to use certain social networking sites, after a teenage girl committed suicide.
Science & Technology, Europe, Latvia, United Kingdom
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
Syrian government's offensive in Aleppo province has killed 500, monitor says, as Russia denies targeting civilians.
War & Conflict, Syrian Civil War, Middle East, Syria, Russia
In series of attacks, ISIL fighters kill at least 27 Iraqi soldiers and wound 16 more west of strategic city, army says.
ISIS, War & Conflict, Middle East, Iraq, Anbar
We travel to Chile to meet a group of young scientists determined to develop smart plant-based food to save the planet.
Science & Technology, Chile, Food
We follow the journey of a plastic bottle to find out what it takes to truly recycle the product creating zero waste.
Science & Technology, US & Canada, Environment
A couple working to protect LA communities from gang violence is caught in the crossfire of the US war on gangs.
Politics, Gang violence, US
South Koreans drink twice as much liquor as Russians, but is this national obsession with alcohol reversible?
Health, Asia, South Korea