Please click on the image... A colleague sent me this... I tried it and it is truly amazing! For those inquisitive minds, you can find out what number you are in the World Population, in Argentina`s population, plus some other interesting facts!
I found these photos in Space.com
Hello! Enjoy this video with Science Bob and watch how this machine works... Can you tell me what it is called? Please look it up so that it...
Antoine van Leeunwenhoek - a name we have probably never heard before. Did you know he created the first microscope ever? But it did not loo...