REVRecycled vegetable oil as fuel for the Diesel engine
Is recycled vegetable oil the environmentally friendly solution for old combustion engines? Chilean Rodolfo Rada is convinced of this technology and already uses it to power his camper van. His mission with the camper: is to educate people about recycling. His goal: a free, cross-border transport solution.
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DocFilmSmart Insects - How Tiny Brains Do Brilliant Things
The latest research shows we’ve long underestimated the intelligence of insects. Bumblebees, for example, succeed at behavioral tests also passed by intelligent crows. They use tools to reach nectar in an artificial flower.