Anne Fredon

Who invented time, who invented the clock? Why 1 hour, why 60 minutes, why 60 seconds? Since prehistoric times, man has sought to measure time, to ...

19 de set. de 2021

19 de mar. de 2015

Coming in all shapes and sizes, bacteria are present in every corner of the Earth. Their purposes and types are even more diverse, with only 1% be...

09 de fev. de 2016

22 de jul. de 2019

11 de ago. de 2018

Since the year 2000, there have been several waves of suicides among the indigenous population of the Colombian Amazon. I discovered that the men c...

25 de mar. de 2023

31 de mar. de 2012