![Crystals | Free Full-Text | A New Exponential Distribution to Model Concrete Compressive Strength Data Crystals | Free Full-Text | A New Exponential Distribution to Model Concrete Compressive Strength Data](https://www.mdpi.com/crystals/crystals-12-00431/article_deploy/html/images/crystals-12-00431-g001.png)
Crystals | Free Full-Text | A New Exponential Distribution to Model Concrete Compressive Strength Data
The distribution of fitness effects of spontaneous mutations in Chlamydomonas reinhardtii inferred using frequency changes under experimental evolution | PLOS Genetics
![Exponential growth, high prevalence of SARS-CoV-2, and vaccine effectiveness associated with the Delta variant | Science Exponential growth, high prevalence of SARS-CoV-2, and vaccine effectiveness associated with the Delta variant | Science](https://www.science.org/cms/10.1126/science.abl9551/asset/9233abaa-9229-44e5-a642-4f52fef1b488/assets/images/large/science.abl9551-f1.jpg)
Exponential growth, high prevalence of SARS-CoV-2, and vaccine effectiveness associated with the Delta variant | Science
![Mathematics | Free Full-Text | Estimating Ruin Probability in an Insurance Risk Model with Stochastic Premium Income Based on the CFS Method Mathematics | Free Full-Text | Estimating Ruin Probability in an Insurance Risk Model with Stochastic Premium Income Based on the CFS Method](https://www.mdpi.com/mathematics/mathematics-09-00982/article_deploy/html/images/mathematics-09-00982-g001.png)