Daily (except Mondays) from 10 a.m. till 6 p.m. (school classes starting at 9 a.m.)
25.09.2015 / 20 Uhr
25.09.2015 / ore 20
... the today’s species variety is presumably less than 1% of the hole species that lived on our planet and that about every 20 minutes one animal or plant species extinct?
Are you interested in more information about our scientific contributions?...more