Category: Biology

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P-values, the other kind

I had to confirm this truly amazing tale I just head from a colleague of mine to believe it. He made important contributions to the […] treatment of erectile dysfunction, and is perhaps best known for an unusual scientific presentation at the 1983 Las Vegas meeting of the American Urological Association, where he removed his trousers to show the audience...

When zombies attack 0

Predator prey for the undead

Who thought that you cannot publish a book chapter on a Zombie takeover of the world was wrong. Looking around for simple examples on how populations of predators and prey evolve over time I found this article with instructive python/scipy code that draws a gloomy apocalyptic picture of what would happen if humankind ever where to face zombies. Not surprisingly...

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Multi-odor evoked ensemble dynamics

Extending on the milestone paper by Mazor & Laurent, this recently published study by Saha et al. investigates the antennal lobe dynamical odor representations that are evoked by adding a second odor stimulus on top of a background ongoing odor stimulus. Ensemble interference and partial overlaps ensue AND they correlate nicely with locust behavior. Main article @ Nature Neuro This is...

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Evolution is power-law

I heard an interesting talk at the Salk institute today by Richard E. Lenski about time travel in evolution. What they did over the last 25 years or so is to track over generations a strand of E. coli bacteria. Going back in time means taking out a batch from the freezer while going forward in time means just letting...