(5 min read) One of the reasons why the Earth is a habitable planet that is friendly to human life is because the Earth magnetic field shelters the planet from the harmful radiation coming from the sun, called the solar winds.
scientists
Mammals on Death Row – Extinction is Forever
The period of time since the last mass extinction 66 million years ago, that killed the dinosaurs, is known as the Age of Mammals. Our own species is a child of this age. The study shows that it would take three to five million years for nature to recover the anticipated mammal species losses of the next 50 years.