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.
Exposure to blue-green algae can cause rashes, skin and eye irritation, allergic reactions, gastrointestinal upset, and other effects. At high levels, exposure can result in serious illness or death.
For pets, symptoms of exposure to blue green algae toxins include loss of appetite, vomiting, weakness, seizures, difficulty breathing and convulsions. Neurological symptoms, including salivation, can appear within 15 to 20 minutes of exposure. If your animals show any of these symptoms, seek veterinary advice.