Anna Dornhaus

@dornhaus

Collective behavior in social insects; adaptive organization in complex systems; Prof in Ecology & Evol Bio at University of Arizona; science for public / kids

Vrijeme pridruživanja: svibanj 2009.

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  1. Prikvačeni tweet
    28. srp 2019.

    Key thing about scientific research: we don't know the answer yet. But do we think we know the answer? You bet! (we're human, after all) Therefore, key difficulty in science: overcoming our convictions. How? Rigorously discard hypotheses that make wrong predictions.

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  2. 4. velj

    If you are not sure your information is good, wait before sharing - this creates effective, dynamically meritocratic groups: cool paper on human group behavior -. Similar effect was already shown in ants in 2001 by the way

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  3. 3. velj

    I like this blog, if you are a junior scientist check it out. Grad school can be a great time, but adulting, professional competition, publish or perish are also hard. But they are hard in other professions too, and not every problem in science has do to with that hardness.

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  4. proslijedio/la je Tweet
    30. sij

    Now up on Eco-Evo Evo-Eco blog, two posts on The first is a neutral narrative about my role and insight. The second link to a growing spreadsheet listing retractions, questions, and papers that are confirmed to be OK

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  5. 29. sij

    I.e. strong systems of checks and balances AND cancellation of social support are necessary. In politics, lying must be kept in check by voter response. In academia, fraud must result in scientific ostracism. Both need peer review & policy that limits rewards of untruthfulness.

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  6. 29. sij

    Heard on a podcast "I don't care about hearts and minds, I care about policy" [in generating desired effects]. But personal honesty is not easily enforced with policy under any circumstances; it must be cherished as the precious gem and yet foundation of any society that it is.

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  7. 23. sij

    / community, I wanted to congratulate you on being welcoming - my undergrads all say that everyone was 'so nice', 'gave career advice', and the conference was interesting and fun (against, perhaps, their expectations of terrifying academics) - inclusion win

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  8. 7. sij

    Can bumble bees predict the weather? Intriguing prelim data by Annaliese Wargin and Stacey Combes hints that bees might forage more under falling barometric pressure to stockup before rainstorms. Will be exciting to see whether this holds up with more data!

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  9. 7. sij

    Bees anticipate obstacles in comb building according to 200yr old study by Bonnet dug out by ; Lars also shows new data that bumble bees transfer learned shape from vision to touch - does this point towards consciousness in insects?

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  10. 7. sij

    Case in point: speaker shows so stats because 'they are too complicated' - but it's just two means being compared...

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  11. 7. sij

    Both and Jen Helman show how learned info about predators is passed to offspring in fish (guppies and sticklebacks), but in a sex-specific manner - why, and how is info from genes, epigenetics, and personal learning combined?

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  12. 6. sij

    Amazing opportunity for someone looking for a postdoc at the intersection of biology & technology, possibly with a future in liberal arts teaching:

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  13. 5. sij

    Ants build a defensive wall against ant traps in the field. That's it. (poster by TJ Pretends Eagle at )

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  14. 5. sij

    In land vertebrate carnivores, smaller species have more elongate bodies, leading to a diversity of bodies esp. in older clades, say

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  15. 5. sij

    Our biases can lead us to make the wrong assumptions, eg about others' sensory worlds. Eg perceived brightness is nothing like 'actual' luminance across colors (Helmholtz-Kohlrausch effect) - how does this affect study of color vision in animals?

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  16. 5. sij

    Best talk intro so far from Sonke Johnsen: most projects fail, this is a data figure

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  17. 5. sij

    Jerome Casas shows that moth flight speeds are in the sweet spot where air flow is fast enough to actually enter into the feathered antennae, but slow enough for scent molecules to enter receptors

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  18. 5. sij
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  19. 5. sij

    If you're about to interview for grad school, read this - I agree with all points in Mohamed's thread

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  20. 5. sij

    Fish change color by clumping or distributing pigment inside skin cells with endocrine regul. in secs, but over days change no. & size of specific color cells shows Sebastian Alvarado in facinating talk - algal blooms require this bec they create different color envir

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  21. 5. sij

    Droso larvae use scent and taste seemingly in an additive way to navigate to food, shows Jess Kanwal in slides that blew me away ; but she also finds early processing neurons that react in complex ways to both - what do they do??

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