Yvan Dutil

@YvanDutil

Astrophysicien, énergie, développement durable, radioprotection, systèmes spatiaux, mode de scrutin.

Vrijeme pridruživanja: kolovoz 2012.

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  1. proslijedio/la je Tweet
    prije 4 sata

    Meanwhile, the USA flu season appears headed for a double peak. Flu diagnoses surged in late 2019 with unusually high rates of Influenza B, and now rates of Influenza A infection are climbing. People can catch both in a single season. Did you get your flu shot?

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    We successfully observed last night from the Arecibo Observatory Teegarden's Star, a nearby cool dwarf discovered in 2003. was in charge of the telescope. 😀

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  3. proslijedio/la je Tweet
    4. velj

    Excellent piece in Nature this week covering our recent paper on evaluating climate model performance. We found that 14 of 17 climate model projections published between 1970 and 2001 accurately projected future warming:

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  4. 4. velj

    Une autre vrai fausse rumeur. À ce rythme, tout les journalistes scientifiques vont avoir un diplôme en virologie, immunologie, génétique et épidémiologie avant la fin du mois.

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    2. velj
    Odgovor korisniku/ci

    If they had just taken my undergraduate class (or read 's paper)…

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    2. velj

    For all those wondering why the 'Medieval Warm Period' does not look warm, it is because the evidence suggests it was NOT a globally coherent event. Please update your understanding. (See: or )

    Prikaži ovu nit
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  7. proslijedio/la je Tweet
    2. velj

    I can’t tell you how many comments I have seen about the MWP. Yes please update your understanding. It was cool in the center of the world at the time - Eur/Asia. But not everywhere.

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    3. velj

    Animation showing the death throes of the Thwaites Glacier Tongue. It can't last long now flowing and deforming at this rate.

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  9. proslijedio/la je Tweet
    3. velj

    Mercenary "Mad Mike" Hoare, who fought in the Congo and inspired the movie The Wild Geese, has died aged 100

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  10. proslijedio/la je Tweet
    3. velj

    has dimmed further, it's now at 1.6mag: But it's stable in the infrared, so the dimming is probably caused by dust shrouding the star, not an imminent :

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    3. velj

    Bientôt des nouvelles des données renvoyés par lors de son survol d'Arrokoth lors du nouvel an 2018-19 !

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    Ironbark: Did two spies really prevent the Cuban missile crisis?

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    3. velj
    Odgovor korisniku/ci

    Not appreciably across most of the length of the ice core, due to low temperatures. Ice near the bottom of a glacier can sometimes get warm enough that you have biological activity either consuming or even adding methane.

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    ICYMI: On the measure of loss alone, the scale of the Australian is unprecedented anywhere in the world. We explain why here:

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    3. velj
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  16. 2. velj

    Chasse à la vie sur les exoplanètes:

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  17. 2. velj

    Une entreprise montréalaise cartographie le méthane:

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  18. proslijedio/la je Tweet
    2. velj

    Natural selection builds mechanisms that human engineers still struggle to match. Exhibit A: The neural structures underpinning head stabilization in this hawk. (Head stabilization has the same function as image stabilization in cameras: to maintain a steady view despite motion.)

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  19. 2. velj
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    Astronomers spot two baby stars locked in a gravitational waltz that's twisting their planet-forming disks into a pretzel-shaped knot.

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