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Rene Stuhr
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Rene Stuhr

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Most likely, it was wolves that approached us, not the other way around, probably while they were scavenging around garbage dumps on the edge of human settlements. The wolves that were bold but aggressive would have been killed by humans, and so only the ones that were bold and friendly would have been tolerated.

The short version is that we often think of evolution as being the survival of the fittest, where the strong and the dominant survive and the soft and weak perish. But essentially, far from the survival of the leanest and meanest, the success of dogs comes down to survival of the friendliest.

Friendliness caused strange things to happen in the wolves. They started to look different. Domestication gave them splotchy coats, floppy ears, wagging tails. In only several generations, these friendly wolves would have become very distinctive from their more aggressive relatives. But the changes did not just affect their looks. Changes also happened to their psychology. These protodogs evolved the ability to read human gestures.

As dog owners, we take for granted that we can point to a ball or toy and our dog will bound off to get it. But the ability of dogs to read human gestures is remarkable. Even our closest relatives—chimpanzees and bonobos—can't read our gestures as readily as dogs can. Dogs are remarkably similar to human infants in the way they pay attention to us. This ability accounts for the extraordinary communication we have with our dogs. Some dogs are so attuned to their owners that they can read a gesture as subtle as a change in eye direction.

With this new ability, these protodogs were worth knowing. People who had dogs during a hunt would likely have had an advantage over those who didn't. Even today, tribes in Nicaragua depend on dogs to detect prey. Moose hunters in alpine regions bring home 56 percent more prey when they are accompanied by dogs. In the Congo, hunters believe they would starve without their dogs.

Dogs would also have served as a warning system, barking at hostile strangers from neighboring tribes. They could have defended their humans from predators.

#scienceeveryday   #sciencesunday  
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Rene Stuhr

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In your face(book)
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Rene Stuhr's profile photo
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Ich mag Bilder am liebsten so, wie sie die Cam "gesehen" hat - viel Nachbearbeitung ist nicht so meins. Fehlerhafte Belichtungen korrigiere ich schon mal, dank den RAW Format kein Problem, aber sonst mach ich nix mehr. Obwohl ich mit Photoshop oder Gimp umgehen kann ;)
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Rene Stuhr

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Dackel muss man einfach lieben...
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sebastian hesse's profile photoPia Beck's profile photoRene Stuhr's profile photoAnna - Siewierski's profile photo
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super :)

Rene Stuhr

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Der Morgen danach oder Erst losfahren!!!
 
Der Morgen danach .....
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Rene Stuhr

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Eure Vorsätze fürs neue Jahr, was habt ihr vor?

Mein Vorsatz fürs neue Jahr?
Keine Vorsätze mehr... ;)
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Rene Stuhr's profile photosebastian hesse's profile photoJuly Rose's profile photo
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Besser ist's! Lieber keine Vorsätze. Da freut man sich über jede Kleinigkeit, die man doch erreicht! Gell!
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Rene Stuhr

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Dr. Gregor Gysi's Wutrede und Abrechnung mit der Regierung zur Verschuldung
#gysi #verschuldung #regierung  
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Leider nicht. Wie so oft werden jene Intellektuellen, die die ungeschönte Wahrheit sagen, milde belächelt - als seien es die letzten Vollidioten und Ahnungslosen. Es kann eben nicht sein, was nicht sein darf.
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Rene Stuhr

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Schlagzeilen
 
Schlagzeilen setzen jede Wahrheit außer Kraft
Reporter bringen wortgewandt die Lüge an die Macht
Sprache wird benützt um zu manipulieren
Ich spreche um zu überleben und habe nichts zu verlieren.
http://www.buback.de/kuenstler/fiva_mc/fiva14.php
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In his circles
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Rene Stuhr

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Ja - warum eigentlich nicht?
 
Wenn ihr der gleichen Meinung seid: Teilt und liked das Foto,  schickt es um die Welt!
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 just a dream? I hope not.

Rene Stuhr

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Der Mensch wie Gott ihn schuf - ein Segen für die Welt.
 
Das treibt mir die Tränen in die Augen....
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So siehts aus +July Rose. 
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Rene Stuhr

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Die verkannte Macht eines Leerzeichens!
 
Achtung Verwechslungsgefahr
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:D

Rene Stuhr

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Kosmetik - mal anders!
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Frauen hätten jetzt den Dialog gesucht um festzustellen, ob es nicht doch sein könnte, dass das nicht stimmen muss...;))

Tun wir doch so, als wär uns das egal....;)
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Rene Stuhr

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Ein kreativer Kalender - sogar mit deutschen Feiertagen
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sehrschön.
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Ich mache Sport, rauche nicht und trinke nur zu geselligen Abenden mal was. :P


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Für ein Foto bin ich zu hässlich - also fragt gar nicht erst :-P
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Currently
Berlin
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Stuttgart