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
Hammerhead sharks are warm water animals, yet some were filmed diving to depths of over 1,000 meters, where the water is about 5 degrees Celsius.
Sleep is defined as a state in which the body exhibits low responsivity to external stimuli. Commonly humans spend 8 hours a day sleeping. Most
Alzheimer’s is an irreversable disease which slowly destroys memory and thought connections, and finally, the ability to carry out simple actions. In spite of much
