How did Alexander the Great die?

New hypothesis favors Guillain-Barr syndrome as a possible cause of death The cause of death of Alexander the Great is still unclear. Now there is a new hypothesis. © Berthold Werner / CC-by-sa 3.0 Read out Unexplained for 2, 300 years: The death of Alexander the Great still remains a mystery to researchers.
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The scientific highlights of 2018

Embryonic development, the oldest animal and a prehistoric half-breed child Tracing Embryo Cell by Cell - That's the Breakthrough of 2018 © AAAS Read out How does a single cell become a whole organism? The answer to this question has been chosen by the trade journal "Science" as the breakthrough of the year 2018.
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Velcro closure for human cells

Albert-Ludwigs-University Freiburg im Breisgau Read out The ability of cells to adhere to each other and their environment is the basis for multicellular life. This adhesion occurs via various receptors on the cell surface. Despite the importance of these adhesion receptors, there are few tools to precisely control their interactions with the environment
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Air pollutants break your hair

Organic pollutants damage the fine structure and promote UV damage in the hair How shiny and healthy our hair is also depends on the cleanliness of the air in our living environment. © Photoattractiv / iStock Read out Damage caused by thick air: If the hair becomes stained and spotty, it is not always faulty care.
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Ticks: First typhus transmission in Germany

Half of the hyalomma ticks in Germany carry the typhus pathogen The tropical hyalomma tick can spread typhus pathogens to humans - a first case is now also available in Germany. © University of Hohenheim / Marco Drehmann Read out Worrying precedent: For the first time a man in Germany has been infected with typhus by a tick bite.
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New discussion about human-animal-hybridism

Two new Chim ren projects are causing a stir and criticism Two research groups want to create human-animal hybrids by injecting human stem cells into early embryos of pigs or monkeys. © wildpixel / iStock Read out Ethically acceptable or questionable? Currently, two research teams have rekindled the discussion about human-animal hybridism.
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General knowledge shows up in the brain

Thinking body of people with a lot of knowledge is more efficiently networked There is a connection between the more efficient networking of our brain and a good general knowledge. © metamorworks / iStock Read out Perfectly networked: The brain of people with great general knowledge is particularly efficiently networked, as brain scans now reveal.
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Brown dog tick spreads

Imported dog tick species nestles in homes and can also be used by people Originally native to the Mediterranean, the brown dog tick, here a female and a male, is increasingly spreading in Germany. © Daktaridudu / CC-by-sa 3.0 Read out Dog owners beware: In Germany, a new species of dog ticks spreads.
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Medicinal plants against esophageal cancer?

Three herbs growing only in Mauritius inhibit the cell division of tumor cells These three plants growing only on Mauritius could provide a cure for esophageal cancer © FEFU Read out Natural Remedies: Three plants growing only on the island of Mauritius could act against esophageal cancer - one of the most aggressive cancers ever.
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When do which grass pollen fly?

New method could make prediction of tree pollen more accurate Grass pollen is one of the most common allergy triggers, but only now researchers have developed a method to distinguish them. © Jeja / iStock Read out Important progress for hay fever sufferers: The pollen prediction for grasses could soon become more accurate.
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Nanoparticles confer infrared vision

Astonishingly simple method could expand the human sense of sight Using nanoparticles, the human sense of sight could soon be extended to the infrared. © Delpiuxart / iStock Read out Extended senses: An injection with nanoparticles could in future expand our sense of sight - and make infrared radiation visible to us.
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Sport shifts the internal clock

Training at the right time could help with jet lag and shift work Sport at the right time can have a positive effect on our inner rhythm. © Pavel, Narith / thinkstock Read out The timing is crucial: Sport obviously can adjust our internal clock - depending on the time of training either forward or back, as an experiment with about 100 subjects suggests.
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How the penis arises

Development of male reproductive organs does not depend only on testosterone How does the penis develop in a male embryo? © Janulla / thinkstock Read out Looking at the development of the penis: Not only is testosterone crucial for a healthy development of the male member - a second hormone plays an equally important role.
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Women brains are younger

Female minds seem to be "more youthful" from the beginning than male ones There are detectable differences between men's and women's brains. © Jake Olimb / thinkstock Read out Gender difference: Women appear to have younger brains than men - at least as far as metabolic activity is concerned.
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Romantic thoughts reduce stress

Thinking of the partner protects against stress-induced blood pressure increase If you have love - even in your thoughts - with you, you can deal better with stress. © Kamisoka / istock Read out Relaxing thoughts: Just thinking about our loved ones can apparently mitigate physical stress reactions. This is how an experiment shows: who has the partner mentally with him, in which the blood pressure increases in stressful moments less strongly.
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When do we feel lonely?

Researchers identify three phases of loneliness in life Loneliness is more than just a consequence of social isolation. Maryna Patzen Read out Hidden Suffering: Loneliness affects more people than previously thought - and their number is increasing. According to a US study, the proportion of lonely people has doubled in the last 50 years
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Good art works

Our brain reacts surprisingly to particularly impressive art What happens when looking at art in our brain? © syolacan / iStock Read out Deep impression: What happens in our brain when we look at a work of art? Now researchers have answered these questions for the first time by means of brain scans - and discovered something surprising.
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Diet: How Much Fat Is Healthy?

The ideal and universal formula for healthy nutrition does not exist Especially the type of fats consumed is crucial - the amount is less crucial. (Photo: Julija Dmitrijeva / istock) Read out How it matters: Whether low-carb or low-fat - there is no ideal formula for healthy nutrition here. Because whether we eat more carbohydrates or fats plays a lesser role to health than is usually assumed, as scientists report
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Small people are more likely to develop diabetes

Study confirms correlation between height and disease risk How tall will I be? Surprisingly, this question is also relevant in the context of diabetes. © xefstock / istock Read out Surprising phenomenon: The individual risk of diabetes is also influenced by body size. As confirmed by a study, smaller people are more likely to develop type 2 diabetes than large ones.
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Supercooling "makes organs last longer

Researchers conserve human livers for the first time for 27 hours at minus temperatures In the future, donor organs could be frozen for transport - and thus survive longer. © Sturti / istock Read out Extremely cool: Researchers have succeeded for the first time in preserving human donor organs at sub-zero temperatures.
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