The problem: Answer a question about this article:
Due to many centuries of intensive settlement, most of the area is shaped by human influence. The original natural vegetation of Thuringia is forest with beech as its predominant species, as can still be found in the Hainich mountains today. In the uplands, a mixture of beech and spruce would be natural. However, most of the plains have been cleared and are in intensive agricultural use while most of the forests are planted with spruce and pine. Since 1990, Thuringia's forests have been managed aiming for a more natural and tough vegetation more resilient to climate change as well as diseases and vermin. In comparison to the forest, agriculture is still quite conventional and dominated by large structures and monocultures. Problems here are caused especially by increasingly prolonged dry periods during the summer months.
What has been the aim for the Thuringian forests since 1990?
****
The answer: more natural and tough vegetation

The problem: Answer a question about this article:
In December 1994, TCM debuted "TCM Remembers", a tribute to recently deceased notable film personalities (including actors, producers, composers, directors, writers and cinematographers) that occasionally airs during promotional breaks between films. The segments appear in two forms: individual tributes and a longer end-of-year compilation. Following the recent death of an especially famous classic film personality (usually an actor, producer, filmmaker or director), the segment will feature a montage of select shots of the deceased's work. Every December, a longer, more inclusive "TCM Remembers" interstitial is produced that honors all of the noted film personalities who died during the past year, interspersed with scenes from settings such as an abandoned drive-in (2012) or a theatre which is closing down and is being dismantled (2013). Since 2001, the soundtracks for these clipreels have been introspective melodies by indie artists such as Badly Drawn Boy (2007) or Steve Earle (2009).
In what month of the year does a longer version of TCM Remembers appear?
****
The answer: December

The problem: Answer a question about this article:
In general relativity, a vanishing stress-energy tensor implies, through Einstein field equations, the vanishing of all the components of the Ricci tensor. Vacuum does not mean that the curvature of space-time is necessarily flat: the gravitational field can still produce curvature in a vacuum in the form of tidal forces and gravitational waves (technically, these phenomena are the components of the Weyl tensor). The black hole (with zero electric charge) is an elegant example of a region completely "filled" with vacuum, but still showing a strong curvature.
what is a perfect example of a filled vacuum showing a curvature?
****
The answer: The black hole

The problem: Answer a question about this article:
Roman Catholic Jesuits and Capuchins arrived from Europe in the 17th and 18th centuries. Portuguese missionaries Jesuit Father Antonio de Andrade and Brother Manuel Marques first reached the kingdom of Gelu in western Tibet in 1624 and was welcomed by the royal family who allowed them to build a church later on. By 1627, there were about a hundred local converts in the Guge kingdom. Later on, Christianity was introduced to Rudok, Ladakh and Tsang and was welcomed by the ruler of the Tsang kingdom, where Andrade and his fellows established a Jesuit outpost at Shigatse in 1626.
When did Portuguese missionaries first arrive in western Tibet?
****
The answer:
1624