Peter Wilf

@RadioGondwana

Paleobotanist, Geologist. PI, Patagonia Paleofloras Project. I have opinions - those expressed are my own.

Penn State University
Vrijeme pridruživanja: kolovoz 2013.

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  1. proslijedio/la je Tweet
    31. sij

    Join us at EarthTalks on Monday, Feb. 3, as Jim Kasting discusses , heat waves and ways to curb emissions. The talk begins at 4 p.m. in 112 Walker Building. More info:

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  2. proslijedio/la je Tweet
    31. sij

    Horrible fire day across Victoria & New South Wales in Australia today. Pyrocumulus, gravity waves embedded in these huge plumes.

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  3. proslijedio/la je Tweet
    30. sij

    Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles. Tune in or stream "Polar Extremes" on Wednesday, Feb. 5 at 8/7c on or on our Facebook page!

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  4. 31. sij

    Palacio de los Loros 2 (PL2) in southern Chubut is one of the most productive early Paleocene plant-fossil localities in the whole Southern Hemisphere. Here we are bashing it open for the first time in 2005 with Ari Iglesias &

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  5. 31. sij

    Along the Argentina-Chile border a few years back with .

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  6. proslijedio/la je Tweet
    29. sij

    New paper on the evolution of stomatal size and its relationship to climate rather than CO2.

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  7. proslijedio/la je Tweet
    23. sij

    Ephedra seed cone with fleshy red bracts (left), compared to pollen cones (right). Ephedra is usually dioecious, so each plant produces seeds or pollen, not both. Photographed in Chubut Province, Argentina.

    Left: Photo of fleshy red seed cone of ephedra. Right: Photo of papery pollen cones of ephedra.
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  8. proslijedio/la je Tweet
    23. sij

    Neanderthals were human too. Brilliant artwork by Tom Björklund

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  9. proslijedio/la je Tweet
    23. sij

    “The new rule will remove federal protections from more than half the nation’s wetlands...That would for the first time in decades allow landowners & developers to dump pollutants such as pesticides and fertilizers directly into many of those waterways."

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    The Trump admin will finalize a rule to strip away Obama-era environmental protections for streams, wetlands and other water bodies. "Golf course developers were among the key opponents of the Obama rule and key backers of the new one."

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  11. proslijedio/la je Tweet
    21. sij

    In Australia, people have been filming rolling clouds of dust sweeping across New South Wales. The massive dust storms blanketed entire towns and blacked out the sun over the weekend.

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    Just glimpsed the CSIRO glasshouses: none left standing. Think of all the experiments destroyed.

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  13. proslijedio/la je Tweet
    20. sij

    “Let us be dissatisfied.”

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  14. proslijedio/la je Tweet
    20. sij

    Researchers found that world oceans reached their warmest level in 2019, amid 5 years that were the warmest 5 for oceans on record and 10 years that were warmest 10. The study's co-author discusses the findings.

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  15. proslijedio/la je Tweet
    19. sij

    Host Kirk Johnson explores how the continent was shaped—and how it shaped us. Stream "Making North America: Origins" on the app or online now.

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  16. proslijedio/la je Tweet
    17. sij

    And another story from ⁦⁦⁩ - another ancient, the nightcap oak, heavily impacted when northern had unprecedented impact on gondwanan . have important role post-fire - let's step up.

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  17. 18. sij

    "Unlike the successful mission to save the Wollemi Pine in the Sydney Basin, the fate of the nightcap grove has received almost no attention."

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  18. 18. sij
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  19. 18. sij

    Shocking blow to one of the world's great concentrations of living-fossil plants. I'm lucky to have seen the amazing nightcap oaks with Dr. Kooyman in the spectacular Night Cap Gondwana rainforest. Let's work with him to save it.

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  20. proslijedio/la je Tweet
    17. sij

    Looking for students interested in tropical botany over the summer! It will be an awesome course with Walter Judd and others

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