![Fish grazing on coral reefs](https://biosciences.gatech.edu/sites/default/files/styles/medium/public/reefcam1-gibbs_0.jpg?itok=jGDthMQV)
A new study shows which fish are essential to cleaning up seaweed on coral reefs.
![Ryan Bloomquist](https://biosciences.gatech.edu/sites/default/files/styles/medium/public/bloomquistphoto_0.jpg?itok=rAO_SKN8)
Ryan Bloomquist, the School of Biology’s first joint doctoral DMD/PhD student has received a F30 Ruth L. Kirschstein National Research Service Award (NRSA) aimed at investigating the process of dental tissue regeneration.
![Cichlid brain development4](https://biosciences.gatech.edu/sites/default/files/styles/medium/public/brain-development171_0.jpg?itok=uxO4xIIS)
Competing molecular signals during brain development have generated natural and presumably adaptive differences in a brain region known as the telencephalon.
![Troposphere-Microbiome-Sampling](https://biosciences.gatech.edu/sites/default/files/styles/medium/public/troposhere-microbiome-lathem_0.jpg?itok=PA1KWHrY)
Using genomic techniques, researchers have documented substantial populations of microorganisms in the middle and upper troposphere.