Blue holes are cave systems, flooded with sea water. How did these geological treasures develop thousands of years ago? Author: ZDF/Terra X/SPIEGEL TV/Christopher Gerisch/Tilman Remme/Reiner Bauer, Oliver Gurr/Oliver Roetz, Philipp Klein/Hauke Ketelsen/Richard Sako Translation and redub: alugha C
Scientists are studying the role of aerosols and how they contribute to the formation of clouds and rain. The microparticles serve as condensation nuclei on which water condenses. Author: ZDF/Terra X/SPIEGEL TV/Christopher Gerisch/Tilman Remme/Reiner Bauer, Oliver Gurr/Oliver Roetz/Hauke Ketelsen/
The Romans began to cover their empire with a network of paved roads from the third century BC. They were first used by the military, as marching and supply routes in the expansion and protection of the empire. Autor: ZDF/Terra X/SPIEGEL TV/Christopher Gerisch/Tilman Remme/Reiner Bauer, Oliver Gur
The Nebra sky disk is the world's oldest known concrete representation of astronomical phenomena and is more than 3600 years old. It shows a crescent moon, the full moon - sometimes interpreted as the sun - and a total of 32 stars. Author: ZDF/Terra X/SPIEGEL TV/Christopher Gerisch/Tilman Remme/Rei
In 1569, Gerhard Mercator presented his world map to the public for the first time. The 1 meter 34 by 2 meter 12 meter card was given the title addition: "for marine use". It was later divided into 20 single sheets and published in a book. Long awaited by the captains of the world. Author: ZDF/Terr
The clitoris is part of the female genital. Only the glans clitoris is visible. Most of the organ is located inside the pelvis. https://www.zdf.de/dokumentation/terra-x/anatomie-der-klitoris-creative-commons-clip-100.html URL to full docu: https://www.zdf.de/dokumentation/3sat-wissenschaftdoku/vu
The entire externally visible female genitalia is called the vulva. The internal vagina connects the vulva to the cervix and uterus. Source: https://www.zdf.de/dokumentation/terra-x/anatomie-von-vulva-und-vagina-creative-commons-clip-100.html URL to full doc: https://www.zdf.de/dokumentation/3sat
