![Illustration for dehydration and the brain](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/dehyd.brain_.jpg?itok=wJeNxkdH)
Visible proof that dehydration messes with the brain and cognitive performance.
![As We Get Parched, Cognition Can Sputter, Dehydration Study Says](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/mindy.portrait.rooms_2.jpg?itok=mSe9Hajd)
Summer heat fuzzing your concentration? Making you fumble? It may be dehydration.
![Conan Zhao wins ScienceMatters Episode 3 quiz.](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/2018_sciencematters_quiz3_conan_zhao2.sq400.jpg?itok=Qv__JGcQ)
The biophysicist/pianist in Sam Brown’s lab wins Episode 3 quiz.
![Nastassia Patin talks about the Ocean Voyager microbiome](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/2018_nastassia_patin_ocean_voyager.jpg?itok=7LM4mBE3)
Nastassia Patin brings attention to the tiniest residents of Georgia Aquarium.