The brain was known to have 3 protective layers containing brainal and spinal fluid, but now a fourth much thinner layer was discovered. The new layer got the name Subarachnoidal Lymphatic-like Membrane, it is only two-cell thick and divides the subarachnoid space into an upper and lower part.
Photo by: https://www.flickr.com/photos/flamephoenix1991/8376271918
As you know, Planet Earth is part of a galaxy called the Milky Way. Our Sun is a star, one of many stars in the
Antarctica became a popular tourist destination with about 70,000 tourists in season. Most tourists get to Antarctica on boats and use power to get warm
We’ve all been encouraged by the reduction in air pollution in different cities around the world during shutdowns created by the COVID-19 pandemic. The COVID-19
