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Original Baby Trap

For: literally a million years ago...
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Here is a modest mystery for you-all. We all know that human babies scream a lot. Meanwhile, the equivalently-young of all other species are super-quiet. Making noise attracts predators! So, if human babies scream, while being MORE physically helpless than any other infant animal on Earth, where is the evolutionary advantage to that?

Well, consider the "play pen". How long have such cages existed? What if....

Just to make this a proper Halfbakery Idea, let's start with a tesseract (see link). That 4-dimensional object can be viewed from various 3D perspectives, one of which features an inner cube and an outer cube. Let us consider both cubes to be "cage-like" in their construction.

The human adults that built the cage now put the world's first (surviving) screaming baby into the inner cage, and hide.

A predator arrives, attracted by the noise. It cannot reach the baby because of the distance between the two cages. But now the adults can surprise-attack and kill the predator, with overwhelming force/numbers. The baby was bait for a trap! For each predator that tries to take the bait and gets killed, that makes the countryside a little bit safer for human hunters. Humans prosper, and the world's first surviving screaming baby gets to grow up and pass on the genes responsible for screaming babies. A million years later, practically all human babies scream.

Vernon, Jun 18 2015

Tesseract http://www.daviddar...mages/tesseract.jpg
As mentioned in the main text. This is of course only a 3D representation of a 4D object, but it is still useful! [Vernon, Jun 18 2015]

Cube cage http://mimg.ugo.com...bandits_480x270.jpg
Well, this example is not a perfect cube, but so what? Oh, and this picture shows another way to keep a baby in a cage (a less-fancy cage than the one described in the main text) out of reach of predators. [Vernon, Jun 18 2015, last modified Jun 19 2015]

Modern baby trap http://www.amazon.c...-Peck/dp/0523009038
FYI, for those who don't know. [Vernon, Jun 18 2015]

Some data about baby abilities http://www.nytimes....ess-and-chubby.html
FYI. Several species are mentioned. [Vernon, Jun 19 2015]

A man, a cage, and predators http://i.ytimg.com/...0/maxresdefault.jpg
FYI [Vernon, Jun 27 2015]

[link]






       wow! You've left them speechless. really a shark proof cage for land animals isn't it?
dentworth, Jun 18 2015
  

       Imaginary babies work best for this.
Altoidian, Jun 18 2015
  

       Could the babies subsequently be compressed to extract commercial quantities of baby oil ?
8th of 7, Jun 27 2015
  
      
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