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ZEIT Wissen 5/2019: Here we have researched

2019-08-30T14:29:10.422Z

With which experts we talked, which websites we visited, which studies we consulted, read here.



In the beginning three questions

1. Why do people like to ride carousels?

Margit Ramus comes from a family of showmen and has been feeding folk festivals and Christmas markets in West Germany for many years. Her PhD thesis was written by the doctor of art history on the subject of "Cultural Heritage Festival".

Emilio Kropff, a neuroscientist from Argentina, was involved in the discovery of speed cells in the brain. These cells measure the running speed of the body. The team led by Kropff and the Norwegian research couple May-Britt and Edvard Moser discovered the cells in rat experiments.

Sandra Becker-Bense researches at the German Dizziness and Balance Center, an integrated research and treatment center, on dizziness, balance and eye movement disorders. The center is funded by the Federal Government.

2. Do hairstyles have hidden messages?

In the fifth book of his histories, the Greek scholar Herodotus von Halicarnass (490/480 BC to about 430/420 BC) describes the events that led to the Ionian uprising. His nine-volume work spans a period of 220 years and focuses on the rise of the Persian Empire and the Persian wars in the fifth century BC.

"The Poetics of Afro-Colombian Hairstyle" is the title of the thesis written by sociologist Lina María Vargas Álvarez. She has researched at the National University of Colombia on the importance of barber shops as cultural meeting places of Afro-Colombians in Bógota and learned from the hairstyle narratives.

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Kristin Riedelsberger is a research associate in the Department of Ethnology at the Christian-Albrechts-University Kiel and a doctoral student under Prof. Dr. med. Andreas Schmidt. She researches gender, couple relationship and physical and beauty concepts.

Hlonipha Mokoena is a historian and anthropologist at Witwatersrand University in Johannesburg. She is an expert in South African Intellectual History and occasionally writes for the nonprofit online science magazine The Conversation.

The California CROWN Act was signed on July 3 of this year. The corresponding New York law on July 12th. The bill for New Jersey has yet to be signed.

3. Which colors make attractive?

For a study by the University of Western Australia, a group of fair-skinned men took beta-carotene supplements for 12 weeks to enhance the skin's yellow and red hues. Their rosy complexion makes them look more attractive to women, the researchers write in the journal Behavioral Ecology.

Psychologist Andrew Elliot of Rochester University is investigating the effect of the color red. In a study, he explored the influence of the color of clothing on the attractiveness of the person.

Blue is the favorite color of the Germans, according to surveys by pollster YouGov. But in ten other countries, including Australia, China, and the US, most respondents said they liked blue the most.

The color company Pantone selects a trend color every year. The color of this year is coral red.

The collared paradise bird presents its deep black feathers to the females during the courtship dance.

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Strong as a tree

A good overview of the ever-growing wooden buildings around the world can be found on the ThinkWood.com page. There is also a nice poster about the currently tallest wooden buildings.

In 2017, a group of the Ruhr-Universität Bochum carried out a thorough "greenhouse gas audit of wooden buildings".

For the condition and sustainable use of the forest in Germany, the Öko-Institut 2018 has published the report "Waldvision Deutschland".

If you want to gain a deeper insight into the scientific aspects of timber construction, we recommend the paper "The wood from the trees: the use of timber in construction" (Oct. 2016) from the scientific journal Renewable and Sustainable Energy Reviews.

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Let's play cards!

The retro library, a reference work from the end of the 19th century, provides a wonderful look into the past of playing cards.

The page "Bridge is cool" also deals with the history of poker. The poker portal "poker-olymp" has collected the meaning of the most important cards.

The monk Johannes von Rheinfelden explains in his Tractatus de moribus et disciplina humanae conversationis, the oldest known in Europe description of playing cards, rules of the game and characters of the characters as well as the entire social order of that time. A copy of it is in the University Library Basel.

A very comprehensive collection of games offers the site pagat.com with 633 traditional and 579 new rules from 117 countries around the world.

If you are interested in magic, you will not be able to avoid Jochen Zmeck's "Handbook of Magic" - a standard work for sorcerer apprentices and old hands. 14 of the 39 chapters are about card art.

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Duel in the sun

The Julius Kühn Institute, the Federal Research Center for Cultivated Plants, has summarized the most important information on the bacterium Xylella fastidiosa in a leaflet.

The infested zone in southern Italy is five times as large as Berlin, shows the current map.

The EU Commission is constantly adapting the measures to eradicate or control the bacterium and updates the list of Xylella infected plants.

The EU-funded research project POnTE (Pest organisms threatening Europe) and XF-ACTORS are investigating the transmitter: the meadow foam cicada.

That Xyella could also spread in Northern Europe, show computer modeling of the European Food Safety Authority (EFSA).

The working group of the Suny College of Environmental Sciences and Forestry is testing genetic engineering methods to rescue the chestnut.

ZEIT ONLINE writes about the great elm dying in Germany on this page.

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Where are we going? Mobility of the Future, Part 2

The number of studies on the mobility of the future is large, because electromobility, autonomous vehicles and ride pooling, as well as cycling and another, pedestrian-friendly urban development are considered important trends for the coming years. Here is a selection:

  • "The Future of Mobility 3.0" by the consulting firm Arthur D. Little (2018); interesting here is the view of the different conditions of three types of international metropolises for a new mobility.
  • "Turnaround for Germany: The Road to CO2-Free Mobility by 2035", published by Greenpeace (2017); The short version of the study prepared by the Wuppertal Institute provides a good overview of what to do by 2035.
  • "Urban Ranking on Sustainable Mobility", published by Greenpeace (2017); Urbanista's urban ranking, which offers a wealth of highly interesting statistics on German cities, contains many surprises.
  • "The Evolution of Mobility", published by the ADAC (2017); Above all, the study prepared by the Zukunftsinstitut takes a look at the mobility needs of different social groups and thus takes away from a technology-driven approach that is characteristic of IT and car companies.
  • "A time of unprecedented change in the transport system" by the British Government Board of Science (2019); The study, published in January 2019, first deals with the history of transport in an industrialized country, in this case Great Britain, as well as today's challenges, and then outlines various scenarios for the year 2040.

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Books

We thank the Lindau Nobel Laureate Meeting for support in our column "Reading Nobel Laureates".

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Source: zeit

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