- RESEARCH HIGHLIGHT
A caffeine buzz gives bees flower power
![Bird's eye view of a marked bumble bee on a green robotic flower](http://media.nature.com/w767/magazine-assets/d41586-021-02072-x/d41586-021-02072-x_19385844.jpg)
A bumblebee visiting a robotic flower receives a drop of sugar water as a reward. Credit: Jan-Hendrik Dudenhöffer
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Nature 596, 10 (2021)
doi: https://doi.org/10.1038/d41586-021-02072-x