Dating video dinosaur brains

These are chemical elements, like carbon or uranium, that are identical except for one key feature -- the number of neutrons in their nucleus.

Atoms may have an equal number of protons and neutrons.

How do scientists know the bones are really 68 million years old?A brown pebble found in Sussex 10 years ago is actually the fossilised brain of a dinosaur thought to have lived 133 million years ago, scientists have revealed.It is the first time anyone has seen what a dinosaur brain looked like as no other fossils have been found.In other cases, he might see something of how he himself used to be, be it pluckiness or some immature behavior, in the boy and be worried that he will make the same mistakes. That might make the father mellow out if the boyfriend shows some Character Development.

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If, however, there are too many or too few neutrons, the atom is unstable, and it sheds particles until its nucleus reaches a stable state.

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