Science

The solid inner core of the earth is only a billion years old, new research finds. Modern Earth is like a layer cake, with a firm outer crust, a hot, sticky mantle, a liquid outer core and a firm inner core. That solid inner core grows slowly like the liquid …

This image shows an image of the setup of the body exchange experiment. Credit: Mattias Karlen Our sense of who we are is thought to be influenced by things like our childhood experiences, our interactions with others, and now, say researchers, our bodies. A study appears today (August 26, 2020) …

1. DiVincenzo, D. The Physical Implementation of Quantum Calculation. Fortschr. Phys. 48, 771–783 (2000). MATH Google Scholar 2. Arute, F. et al. Quantum supremacy with a programmable superconducting processor. Nature 574, 505–510 (2019). ADS CAS PubMed PubMed Central Google Scholar 3. Kandala, A. et al. Error magnification expands the accessibility …

Computer simulation of the disturbance of a star through a black hole shows the formation of an eccentric application disk of star material rotating in the black hole. This image from a video of the simulation shows the early stage in the formation of the disk. Credit: Jamie Law-Smith and …