Radiocarbon dating uses a radioactive isotope of the element determine the ages of old objects.

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

Along what geographical feature are most of the oil producing regions located