Noordpool ooit subtropisch (1)
Sediment cores drilled from deep beneath the floor of the arctic ocean show it was once warm enough for swimming.
http://news.bbc.co.uk/2/hi/science/nature/3631764.stm
Dieren in het Poolgebied
An educational site for teachers and students who want to learn more about the
animals that live in the arctic.
http://library.thinkquest.org/3500/
Noordpool ooit subtropisch (2)
Physorg news: north pole's ancient past holds clues about future global warming
http://www.physorg.com/news68305951.html
Over de dikte van het ijs
Over de dikte van het ijs
http://www.john-daly.com/polar/arctic.htm
Poollicht (1)
Het laatste nieuws over astronomie, ruimtevaart, waarnemen en star trek. kom dus meer te weten over nevels en sterrenstelsels, maar ook over onze eigen planeten en onze maan.
http://www.astrostart.nl/artikelen2.php?subaction=showfull&id=1063459448&archive=1098436768&start_from=&ucat=2&
Waarom ligt er zoveel ijs?
It might seem obvious, but a deeper explanation has been found.
http://www.livescience.com/environment/050223_north_pole.html