Search results for “Tree rings”

What tree rings tell us

How do tree rings form? And what do they tell us about the past? Every year, a tree forms a new layer of growth, so the more rings a tree has, the older it is. The seasons are the reason for this. Authors: ZDF/TerraX/Leon Altfeld/Julia Bruch/Maximilian Heß Translation and dubbing: alugha Click he

How Trees Communicate

Every tree has an internal communication system. The tree crown talks to the roots, the command center underground. To “talk” to other trees, however, they need allies - fungi. Authors: ZDF/Terra X/Katharina Kohl/Petra Höfer/Freddie Röckenhaus/M. Heß Translation and dubbing: alugha Click here to

When do trees grow?

Trees grow their entire lives - in height and in width. But when exactly do trees grow, and what factors are responsible? Author: ZDF/Terra X/Björn Raddatz/Malte Röthig/Jochen Schmidt Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX

This is how trees drink water

When it's pouring rain in the forest, many trees binge-drink. That sounds easier than it is. How do trees actually transport water from the ground up to their crowns? Author: ZDF/TerraX/Colourfield Tell A Vision/Petra Höfer, Freddie Röckenhaus/Tobias Kaufmann/422 south/Johannes Fritsche/Jochen Schm

Photosynthesis of trees

With photosynthesis, trees master one of the most important biological processes in the world. With the help of their leaves and the pigment chlorophyll, they produce their own nutrition with just three ingredients, while still producing fresh oxygen. https://www.zdf.de/dokumentation/terra-x/die-fo

The Superpowers of Eucalyptus Trees

The Australian eucalyptus is a true wonder tree. It is hardy, undemanding, and delivers record yields: up to 24 tons of wood per hectare per year, three times as much as a Central European deciduous forest. Authors: ZDF/Terra X/S. Armsen/Marc Trompetter/Maximilian Heß Translation and dubbing: alug

How can trees cool cities?

Areas where the ground is almost completely sealed heat up quickly in summer. Trees can significantly help mitigate the heat there. Author: ZDF/Terrax/V-Sion/Anna Krämer/Sabine Müller/Jochen Schmidt Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX

Q 11 Ring closure in carbohydrates

Hemiacetal formation by nucleophilic addition of alcohols to aldehydes is briefly explained. This is necessary to understand the ring closure in carbohydrates. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.

Saturn's Rings and Moons | NASA Planetary Sciences

Explore the rings and moons of Saturn through images from the Cassini spacecraft. Saturn's rings were discovered in 1610 by Galileo Galilei, although he did not see enough detail to know what they were. In 2004, the Cassini spacecraft began capturing unprecedented images of Saturn's atmosphere and t