Search results for “invasive species”

How Would We Stop An Alien Invasion?

How Would We Stop An Alien Invasion? What would happen if aliens visited us on earth? would they be friendly or openly hostile? If they were the latter how would we stop a civilization with far more advanced technology than us from conquering us? Subscribe: https://alugha.com/LifesBiggestQuestions

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/

Minimally Invasive Valve Repair

Robotically assisted mitral valve surgery is a type of minimally invasive, closed chest heart surgery performed on the mitral valve by a cardiac surgeon. The surgeon uses a lighted and flexible instrument (endoscope) to examine the body on the inside with the assistance of a robot.

Species extinction in the course of time

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

What Would Happen If All The Bugs Died?

Insects might seem annoying, but what happens if they all died off? Click here to see more videos: https://alugha.com/LifeNoggin Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.instagram.com/lifenoggin Life Noggin is a weekly animated educational series. W