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Radiometric dating isn't the only method of determining the age of rocks.
Other techniques include analyzing amino acids and measuring changes in an object's magnetic field.
wrote that Perry was “acting like a crazed rock groupie as she tossed off her sequined cape and practically bum-rushed the stage,” joking that she might need a straitjacket for Foehner’s next performance.
ABC can’t be too bothered by Perry’s behavior, as it tweeted the segment to promote Sunday’s episode.
Scientists have also made improvements to the standard radiometric measurements.
For example, by using a laser, researchers can measure parent and daughter atoms in extremely small amounts of matter, making it possible to determine the age of very small samples [source: New Scientist].
The Washington Post noted that the scene felt “out of place in the #Me Too era.” Being too flirtatious isn’t the only poor publicity surrounding Perry, who is in a legal battle with a group of nuns over a convent Perry aimed to convert into a luxury estate.
One nun, 89, recently collapsed in court and subsequently died after begging, “Katy Perry, please stop.” A second nun, 80, says the contretemps with Perry has left her broke.
The extreme temperatures of the magma would just destroy the bones.Unfortunately, these elements don't exist in dinosaur fossils themselves.Each of them typically exists in igneous rock, or rock made from cooled magma.But Perry, who alienated some fans in 2016 with her aggressive campaigning for Hillary Clinton, upset some viewers last month when she tricked an unsuspecting male contestant into kissing her on the lips.The contestant later told The New York Times that the “Idol” judge made him feel uncomfortable because he was a staunch conservative and wanted his first kiss to be special.
So to determine the age of sedimentary rock layers, researchers first have to find neighboring layers of Earth that include igneous rock, such as volcanic ash.