and then i took this material to the laboratory of my colleague at harvard, stein jacobsen, who has a mass spectrometer. you can see her in front of us. you can seen on the left my summer intern, sophie, who at first arrived just to shout at me and document the project. she wantsts to become a science journalist, then at some point she said, maybe i can help in doing the sites. and i said, that would be fantastic. so i arrange for her a microscope with tweezers, and then we found 50 spherules on the ship. she found more than 600 pics altogether we have over 700 spherules, and i gave her the title spherules hunter pixel in a matter of a couple of weeks she really increased the reservoir of spherules by more than a factor of ten. and that is very helpful for us. the person you see on the other side is stein jacobsen, that is highly regarded, very conservative i should say, and a very trustworthy geochemist. and i chose to work with him because i could trust anything he does. he's not biased one way or another. so what you see here are the spherules from so these findings. and here are s