Genghis Khan’s conquering armies fed on dried curd as they crossed the vast steppes of Eurasia, ancient Romans imported pungent cheeses from France, and Bedouin tribes crossing the Arabian Desert have for centuries survived on camel’s milk.
As our world becomes more digitalised and connected, we can actually make a virtual copy of it. And such replicas are now being used to improve real world scenarios, from making aircraft production more accurate to preventing oil spills.
More than two decades ago, Professor Andrew Oswald worked at the London School of Economics, UK, when he organised what he says was the world’s first conference on the economics of happiness. He put up posters, invited speakers, and waited for the crowds to come.
Lining rundown historic areas of cities with plant life and smart sensors and reusing old buildings for new purposes are helping to breathe new life into Europe’s decaying urban spaces.
Just months after Dr Ahmad Al Ajlan begun a new job as a university lecturer in the Syrian city of Deir ez-Zor, he was forced to flee his country for Europe. When he arrived in Germany in March 2015, after several months of travelling, he was placed in a number of camps before being allocated a cramped apartment with five other refugees.
For a teenage refugee starting a new life in Europe, going to school and using digital media form a big part of navigating an unfamiliar society. But appropriate interventions at school and online could help them feel more at home in a new country.
Few technologies have the potential to disrupt old institutions as much as blockchain – a system that maintains records on huge networks of individual computers. As with any new technology, it could be used for social good – such as supporting people who are priced-out of the current bank accounts – but the big challenge is how to limit its unintended consequences.
As a child, you almost certainly at one stage spent hours watching ants move about from their nest. Maybe you dropped a piece of food and watched as a group of ants came and picked it up, carrying it home in an impressive display of cooperation.
Listening to someone speaking with a foreign accent makes human brains work harder which can lead to unintentional discrimination against people communicating in languages other than their own, new research suggests. But exposure to foreign accents can also change the way people speak, and over time, the ensuing accents can become new languages.
Problems have dogged its floodgates but other measures have been successful.
Sea ice researcher Dr Polona Itkin spoke to Horizon about life aboard a research vessel drifting in the Arctic.