If the Copyright Office has no confirmation that a composer or song-writer is still living and it has been 75 years since the first copyright protection order was granted, or 100 years since the recognized creation date of the piece, it becomes public domain.
What are the symptoms of exposure to blue-green algae? Symptoms from drinking water that contain blue-green algae can include: headaches, nausea, fever, sore throat, dizziness, stomach cramps, diarrhea, abdominal pain, vomiting, muscle aches, mouth ulcers, and blistering of the lips.
Hypochromic anemia, once commonly known as chlorosis, is one potential cause of green skin. This condition results in the red blood cells lacking the normal level of hemoglobin that normally gives them their red color. Consequently, people with hypochromic anemia sometimes exhibit a green pallor to their skin. Other symptoms of the condition can include shortness of breath, headaches, and a lack of appetite, while potential causes include B6 deficiency, low iron absorption, certain types of infections, or even lead poisoning.