Meteorites key to the story of Earth's layers
A new analysis of the chemical make-up of meteorites has helped scientists work out when the Earth formed its layers.
New group seeks to timeline the Anthropocene—when humans became the dominant force on Earth
Accurately counting ions from laboratory radiation exposure
Thermoluminescence is used extensively in archaeology and the earth sciences to date artifacts and rocks. When exposed to radiation, quartz emits light proportional to the energy it absorbs. Replicating the very low dose ...