Here is a question about this article: Greece's technology parks with incubator facilities include the Science and Technology Park of Crete (Heraklion), the Thessaloniki Technology Park, the Lavrio Technology Park and the Patras Science Park, the Science and Technology Park of Epirus (Ioannina). Greece has been a member of the European Space Agency (ESA) since 2005. Cooperation between ESA and the Hellenic National Space Committee began in the early 1990s. In 1994 Greece and ESA signed their first cooperation agreement. Having formally applied for full membership in 2003, Greece became the ESA's sixteenth member on 16 March 2005. As member of the ESA, Greece participates in the agency's telecommunication and technology activities, and the Global Monitoring for Environment and Security Initiative.
What is the answer to this question: Greece is ranked as what member of ESA?
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So... sixteenth

Here is a question about this article: From 1962 until his retirement in 1968, he was a professor at the University of Freiburg, West Germany, where he began work on his next book, Law, Legislation and Liberty. Hayek regarded his years at Freiburg as "very fruitful". Following his retirement, Hayek spent a year as a visiting professor of philosophy at the University of California, Los Angeles, where he continued work on Law, Legislation and Liberty, teaching a graduate seminar by the same name and another on the philosophy of social science. Primary drafts of the book were completed by 1970, but Hayek chose to rework his drafts and finally brought the book to publication in three volumes in 1973, 1976 and 1979.
What is the answer to this question: What is the name of the book Hayek started upon his arrival in West Germany?
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So... Law, Legislation and Liberty

Here is a question about this article: The 20th century saw the arrival of Modernism, and along with it came the most prominent Portuguese painters: Amadeo de Souza-Cardoso, who was heavily influenced by French painters, particularly by the Delaunays. Among his best-known works is Cancao Popular a Russa e o Figaro. Another great modernist painters/writers were Carlos Botelho and Almada Negreiros, friend to the poet Fernando Pessoa, who painted his (Pessoa's) portrait. He was deeply influenced by both Cubist and Futurist trends. Prominent international figures in visual arts nowadays include painters Vieira da Silva, Julio Pomar, Helena Almeida, Joana Vasconcelos, Juliao Sarmento and Paula Rego.
What is the answer to this question: In which century did Portugal see the arrival of Modernism?
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So...
20th century