There are few cases in the history of physics in which a particle, theoretically predicted, has been detected repeatedly and not identified as such. This is what happened to the positron.
Paul Dirac showed in 1928 that it could be […]
Can you guess the sequence of the DNA strand that is analyzed in this experiment? (Feel free to use the comments!). One does not need to be a biochemist to figure it out. Start from the bottom of the picture. […]
In 1907, Daniel, a miner working in Mauer, near Heidelberg (Germany), found a jaw of unequivocally human origin. The bone was a complete jaw but lacked the characteristic prominent chin of our species, Homo sapiens. The fossil was identified […]