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Although
conflict is an intrinsic part of human nature, war has not
always existed. War requires a type of organisation that not
all societies across history have been able to adopt,
including the creation of institutionalised armies, the
legitimisation of violence, and its development during a
limited period of time. It is therefore an archaeological
challenge to determine when exactly humans “invented”
structured combat.
First
studies conducted on skeletal remains found at the necropolis
of San Juan ante Portam Latinam in Laguardia (Álava, Spain) in
1985 already documented that there were traces of violence at
the site. These remains were dated to about 3200 BC.
New
research has revised the previous conclusions. The results
go even further and conclude that this is the oldest European
site where a large-scale, organised and long-lasting conflict
has been clearly documented. In other words, the first
documented example of warfare on the continent has been found,
almost two millennia earlier than previously assumed.
Installing
giant solar farms in one part of the world could affect the
climate in another. Because solar energy is limitless, we
generally think that by harnessing it, we are not affecting
anyone else, but that may only be true to a certain scale. Put
up enough solar panels in the Sahara for example, and you
could make it cloudier in Europe, making it harder for people
to make the most of their own panels.
Artificial
intelligence is trying to eliminate accents. It means well
- trying to avoid the social effects of accent discrimination.
However, this intention raises the questions of what is
considered to be a “non-accent” and what is, after all, wrong
with having an accent. | 
