Gesamtlänge aller Episoden: 16 hours 49 minutes
If sap could be manipulated to make a plant more attractive to various pollinators, it would help secure harvests. A common plant pest is helping researchers in the process.
Whether hard drives or electric motors, rare earth elements play a key role in a range of technologies. The metals mostly come from China. To ease dependence, researchers at the RWTH Aachen University are working on recycling the precious elements.
Travelling up and down the river, Alexander von Humboldt was ravished by the beauty and variety of the landscapes, flora and fauna. Today nature conservationists are battling to preserve the region's many threatened species.
The Humboldt Current along the coast of Peru is bursting with life. With its nutrient-rich water from the depths, the ocean current discovered by Humboldt is vital for a huge ecosystem. But climate change is now disrupting it.
German scientist Alexander von Humboldt was intrigued by the way of life of indigenous peoples in South America. In that spirit we visit members of the Achuar people, who live in relative isolation deep in the Amazon forest.
When Alexander von Humboldt traveled to Ecuador, he found dozens of volcanoes. The discovery prompted him to dub the area the "Avenue of the Volcanoes," and to this day, 17 of them remain active. DW went to see them.
Humboldt's Tableau Physique, shows the distribution of mountain vegetation as a function of altitude. Today scientists use the data to investigate changes due to global warming. But there are discrepancies, as Pierre Moret and his team discovered.
ESA astronaut Matthias Maurer could soon be joining a lunar mission. He's training on the Canary Island of Lanzarote, where the volcanic landscapes resemble the surface of the moon. He's also learning how to collect moon rock samples.
From Brussels to Barcelona in an hour – a dream that could soon become a reality. Join us on a high-speed trip to the Netherlands and learn more about the vision of a pan-European Hyperloop transit network!
Almost every battery in the world contains lithium, a rare metal that harms the environment. Are there alternatives? Sodium or magnesium are in plentiful supply, and magnesium can provide more energy than lithium.