February issue 2022 Extraterrestrial superintelligences – wissenschaft.de



KNOWLEDGE<->WORLD

cover story
The great adventure

The search for other cultures in space is becoming more and more intense. Are there machine civilizations or traces of extinct superintelligences in our Milky Way?
by RÜDIGER VAAS

cover story
Neutrinos from the neighbors

Ghost Particles and Gravitational Waves: Are They the Signal Carriers and Clocks of Super Civilizations?
by RÜDIGER VAAS

cover story
The search for the impossible

Disappeared galaxies, suddenly appearing stars or alien probes in earth orbit: A large-scale search for exotic celestial phenomena has begun – and has already led to strange discoveries
by RÜDIGER VAAS

DIE SCIENCE BUSTERS

Dusty wishes

Climate change in the rearview mirror

A look into the past could help to master the current climate crisis. How did earlier cultures deal with climate jumps? Archaeologists and paleo-climatologists can contribute important insights
by ROLF HESSBRUGGE

LIFE<->HUMAN

reboot in the brain

In the event of a stroke or a chronic illness such as Parkinson’s, migraines or depression, disorders occur in the brain. New methods of brain stimulation promise relief for patients
by CHRISTIAN YOUNG

master of smell

Dogs have proven themselves in detecting corona viruses. And they are also good for sniffing out other diseases.
TEXT: NIKOLAUS FECHT, PHOTOS: RALF BAUMGARTEN

The Research Perspective

Razor Variations
by RALF NEUMANN

Healthy eating is a gene thing

What we eat can change our genetic make-up – and vice versa, the genes regulate which foods we tolerate well. New findings could help to find suitable nutrition tips for each individual
TEXT: JÜRGEN BRATER, ILLUSTRATIONS: RICARDO RIO RIBEIRO MARTINS

TECHNOLOGY<->FUTURE

Protected surfing

Every user of standard browsers or search engines can be identified via their IP address and reveals information about themselves through internet use. If you don’t want to be spied on, you can only protect yourself by going online. But the technology is also used by criminals on the dark web
by STEFAN MEY

frothed up

Whether for cleaning, extinguishing fires or as bulletproof armor: foam-like materials can be used in many ways – and they continue to amaze researchers with new properties
by REINHARD BREUER

Sabine Hossenfelder’s SAMPLES

Hooray for pseudoscience!

Highly effective disinfection

New ultraviolet light-emitting diodes can render viruses, bacteria and other germs harmless in buildings, water pipes and even on patients
by DIRK EIDEMULLER

Standards

Store: News from research and technology
Phenomenal: Pour pure water
Map of Germany: Foreign trade – Still strong in import and export
Statistics: The German forest
I do not believe that: Tertium datur – there is a third one by ERNST PETER FISCHER
Cogito: The new puzzle – and the solution to the November puzzle with the winners
Update: In small steps forward
Preview: The power of language

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Reference-www.wissenschaft.de

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