This image comes from “Microbiological laboratory hazard of bearded men," a peer-reviewed research paper concerning the risk bearded scientists who work with bacteria and viruses might pose to their families. Published in 1967, the study tested whether bearded men were more likely to accidentally "carry" microbes home with them.
You can read the whole study online. And thank God for that. Because it's full of more great out-of-context quotes than I have time to cut and paste today.
Conclusion: Dirty hippie scientists shouldn't normally be a threat to family and friends. However, accidental beard-based contamination is possible, if the bearded scientist in question does a lot of repetitive, close-contact work with microbes. (Read: Grad students) In which case, those scientists should really wash their beards before they leave the lab.
Thanks, David Ng!
Why does The Caterpillar Lab only have 44 subscribers? Caterpillars set to smooth jazz, like these gorgeous stinging rose caterpillars checking each other out, make this New Hampshire nonprofit a hidden gem.
A paper from a group of Kings College London researchers documents an unexpected and welcome side effect from an experimental anti-Alzheimer’s drug called Tideglusib: test subjects experienced a regeneration of dentin, the bony part of teeth that sits between the pulp and the enamel.
YouTuber Proto G shot these cool experiments with plasma vortex force fields. Scientists are looking into large-scale practical applications of the force field generated in this manner:
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