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Treasure trove reveals origins of 800-year-old shipwreck

Niziolek and her colleagues Gary Feinman, Jun Kimura, Amanda Respess and Lu Zhang decided to submit more samples from the collection for a more precise method of radiometric dating called accelerated mass spectrometry. "Our findings place the sinking of ... read more

Prominent Creationist Explains Plan To Win $10,000 Wager About Genesis

Radiometric dating — the process of determining the age of rocks through the decay of naturally-occurring radioactive isotopes — suggests that Earth is about 4.5 billion years old. Mastropaolo argues that the technique is totally unreliable. read more

Planetary science: The time machine

In principle, Anderson's radiometric dating technique is similar to any other. It is based on the radioactive decay of one isotope into daughter isotopes according to a precise clock, a half-life, governed by nuclear physics. Anderson's method relies on ... read more

Why You Should Fight Creationism

To make room for a young Earth, quantum mechanics and other branches of physics used in radiometric dating would have to go. To allow for a young universe, astronomy and cosmology would also need to be completely rewritten. To enshrine the Biblical view of ... read more

An improved age for Earth's latest magnetic field reversal using radiometric dating

A photograph of the geological section across the Matuyama-Brunhes boundary in Chiba Prefecture, Japan. (a) Overview of the Chiba section. (b) and (c) Detail of a volcanic ash layer (Byk-E) just below the MBB in the Chiba section. The length of the ruler ... read more

How old is Earth? A word to sceptics on the dating game

Will sceptics of old-Earth geology wait until mass spectrometers are in every home before finally conceding that the earth is more than 6,000 years old? Radiometric dating, as with any other experimental discipline, is subject to a variety of errors ... read more

Radiometric Dating:

Geologists have calculated the age of Earth at 4.6 billion years. But for humans whose life span rarely reaches more than 100 years, how can we be so sure of that ancient date? It turns out the answers are in Earth's rocks. Even the Greeks and Romans ... read more

Douglas’ war on evolution does a disservice to Arizona

Multiple increasingly refined dating methods, such as genetic sequencing, geological contexts, radiometric dating and other techniques now offer increasing precision regarding the timing of evolutionary change. Modern biology is evolutionary biology. read more

How it works: Radiometric Dating

If you remember grade school and high school science, you may remember the basic structure of the atom. A normal atom is made up of two main structures: the nucleus and the electron cloud. The nucleus is further broken down into protons and neutrons. read more

Research shows radiometric dating still reliable (again)

Recent puzzling observations of tiny variations in nuclear decay rates have led some to question the science of using decay rates to determine the relative ages of rocks and organic materials. Scientists from the National Institute of Standards and ... read more