Organically, the heart is merely a muscle that pumps blood through the body. But it has always had a special meaning. Author: 3sat/nano/scobel/Ellen Haas/Hartmut Seifert/Walter Freund/Claus Ast/Jochen Schmidt Translation and dubbing: alugha Click here to see more videos: https://alugha.com/Terra
"I know that I know nothing." This sentence by Socrates is at the center of a trial that ends with his death sentence. Socrates strove for wisdom and promoted independent thinking in dialogue with others. Author: 3sat/nano/scobel/Wolfgang Danner/Claus Ast Translation and dubbing: alugha Click her
By layering copper disks, cardboard dipped in acid and zinc disks, physicist Alessandro Volta invented the so-called "voltaic pile," the world's first battery. Author: ZDF/scobel/Claus Ast/Tamara Skalski/Maximilian Mohr Translation and dubbing: alugha Click here to see more videos: https://alugha
Do we humans need meat for a balanced diet? Our ancestors, prehistoric and early humans, were predominantly fruit eaters. Today, Germans eat about 60 kilograms of meat a year. Critics think this is way too much. Authors: 3sat/nano/scobel/Kerstin Achenbach/Claus Ast Translation and dubbing: alugha
Over the last 500 million years, biodiversity on Earth has been constantly changing. Like a fever curve, this has been going uphill and some times steeply downhill. These downward outliers are described as the five great mass extinctions. Authors: 3sat/nano/scobel/Harald Zander/Claus Ast/Jochen Sch
Could alien blood be toxic to us? It may seem like a funny question, but it leads to some interesting scientific places! Not surprisingly, the chances that exo-toxicology (the toxicology of extraterrestrial life forms) becomes a critical issue in our lifetimes is small. But with rapid developments
