For more than 30 years, The Ledger has honored the top scholar-athletes in Polk County and continues that tradition this year with an impressive list of 124 athletes who excelled in the classroom.

Biological models are experimental systems that recreate aspects of human tissue function or disease. For example, certain tumour cell lines may serve as cancer models, and transgenic mice that ...

A biophysical model is a simulation of a biological system using mathematical formalizations of the physical properties of that system. Such models can be used to predict the influence of biological ...

Tesla is a transportation and energy company. It sells vehicles under its 'Tesla Motors' division and stationary battery pack for home, commercial and utility-scale projects under its 'Tesla Energy' ...