You should use cool water and mild detergent to wash your satin pillowcase. Turn it inside out and put it on a gentle cycle in the washing machine. Dry it at a low heat setting or air dry it if possible to keep degradation of the fabric from happening. Direct sunlight is not good for this type of fabric either, so try to avoid that as well.
The Great Barrier Reed is the largest living structure on earth.
It’s an interconnected area of 3,000 reefs and 900 coral islands that are about 1,242 miles long.