Associate Professor of Earth and Planetary Sciences, University of Tennessee
I use elemental and isotopic tracers, together with petrology and mineralogy, to study the Earth’s mantle and the early Solar System.
Dec 07, 2023 08:03 am UTC| Science
For many years, scientists have predicted that many of the elements that are crucial ingredients for life, like sulfur and nitrogen, first came to Earth when asteroid-type objects carrying them crashed into our planets...
Johannesburg in a time of darkness: Ivan Vladislavić’s new memoir reminds us of the city’s fragility
Economist Chris Richardson on an ‘ugly’ inflation result and the coming budget
Biden administration tells employers to stop shackling workers with ‘noncompete agreements’
Labour can afford to be far more ambitious with its economic policies – voters are on board
IceCube researchers detect a rare type of energetic neutrino sent from powerful astronomical objects