Search results for “snakes of africa”

5 things worth knowing about the risks of Ebola

A Public Health perspective on getting the risks and dangers of the Ebola virus in perspective. Ebola is a serious infectious disease, and should never be taken lightly. Yet it's easy for lack of understanding of this virus to give way to fear, when what we really need to tackle it is knowledge. A

Y chromosome and human migration routes

All men who once emigrated from Africa have the same mutation on the Y chromosome. Over time, other mutations appeared that can still be detected today. Author: ZDF/Terra X/Tobias Schultes/Albrecht M. Wendlandt Redub: alugha Click here to see more videos: https://alugha.com/TerraX

ScienceCasts: Southern Hemisphere Solar Eclipse

Visit http://science.nasa.gov/ for more. On Sunday, February 26th, the moon will pass in front of the sun, transforming rays of sunlight across parts of South America, southern Africa and Antarctica into fat crescents and thin rings of light. Click here to see more videos: https://alugha.com/NASA

Giraffe species and distribution

In the 18th century, giraffes were widespread in sub-Saharan Africa. In the meantime, their habitat has shrunk considerably. Until 2016, only one species with nine subspecies was known. DNA tests, however, prove that there are four different species. Author: ZDF/Terra X/R.Marel/C.Gerisch/SpiegelTV/

When did racism start?

Racist thinking is probably as old as mankind. With Columbus and the colonization of Africa and South America over 500 years ago, racism entered the world stage. However, the term "racism" was not coined until the late 19th century. Source: https://www.zdf.de/dokumentation/terra-x/seit-wann-gibt-es