From bacterial invisibility cloaks to unexpected dinosaur colors, Horizon uncovered some fascinating facts in 2019. Here are our 12 favourites.
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Sea ice researcher Dr Polona Itkin of UiT The Arctic University of Norway in Tromsø is currently aboard a research vessel spending one year trapped in Arctic sea ice to study climate change up close. On 20 January she spoke to Horizon from the ship, Polarstern, about working through the polar night, the shortcomings of satellite data and fending off polar bears.
Each year, more than a million wildebeest migrate across the grassy plains of the Serengeti National Park in Tanzania into Kenya’s Masai Mara National Reserve. But on the borders of these protected areas, human populations are increasing and wild ecosystems are struggling to survive in the face of development. Understanding these pressures is crucial for protecting people and wildlife, and to curb illegal activities such as poaching.
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.
Sea ice researcher Dr Polona Itkin spoke to Horizon about life aboard a research vessel drifting in the Arctic.
Researchers aim for new ways to reduce tensions and poaching.