- Operation Saucer (Portuguese: Operação Prato; literally, Operation Plate) was an investigation carried out between 1977 and 1978 by the Brazilian Air Force following alleged UFO sightings in the city of Colares. The investigation was closed after finding no unusual phenomena.
- Mollusca (Wikipedia)
Mollusca is the second-largest phylum of invertebrate animals, after Arthropoda; members are known as molluscs or mollusks (/ˈmɒləsk/). Around 76,000 extant species of molluscs are recognized. The number of fossil species is estimated between 60,000 and 100,000 additional species. The proportion of undescribed species is very high. Many taxa remain poorly studied.