Biologist studying cancer. In the picture, the biologist grabs a flask of cancer cells from inside an incubator. UFV, Viçosa, Brazil.
<a href="//commons.wikimedia.org/wiki/User:Mateussf" title="User:Mateussf">Mateus Figueiredo</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>