(IMAGE) Ritsumeikan University Caption In a new study, scientists from Japan demonstrate how the concentration of chemicals in droplets can be accurately controlled by conducting experiments in the tiniest of cell cultures Credit Ritsumeikan University Usage Restrictions You are free to share and adapt the material. Attribution is required. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.