Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Gravity can exist without mass.” It’s a statement that upends a century of astrophysical dogma and, for some, sounds as ...

Particle swarm optimization (PSO) algorithms have exhibited good performance on well-known numerical test problems. In this paper, we propose a supervisor-student model in particle swarm optimization ...

Crop yield prediction is a significant component of national food security assessment and food policy making. The data assimilation method which combined crop growth model and multi-source observed ...

A computational paradigm that can accurately simulate interactions between powerful laser beams and quantum fluctuations in a ...