Sentences with phrase «isotopes very existence»

And then, with Chadwick's discovery of the neutron, a resolution of the reason for isotopes very existence.

Not exact matches

(1) vegans have always existed, and our numbers include Leonardo Da Vinci and St David of Wales, a tribe who have been vegan for their 2000 year existence, a group from a Chilean mining village who Charles Darwin commented on positively for their strength, and an ancient 5000 year old European body that isotope tests showed to have eaten a plant - based diet (2) It is only very recently that people have begun to eat so much meat.