An upside-down American flag hangs from El Capitan near Yosemite National Park’s Horsetail Fall on Saturday to protest the thousands of federal job cuts made by President Donald Trump’s administration. Tracy Barbutes/Special to the Chronicle

Brilliant protest. Yosemite National Park workers hung an upside-down American flag — traditionally a symbol of distress or a national threat — thousands of feet off the ground on the side of El Capitan.

a young boy is standing in front of a pile of coins and says goonies never say die . ALT: a young boy is standing in front of a pile of coins and says goonies never say die .

Rodents never say di(astema)! #2025MMM

A map showing a running route in Pittsburgh.

Longest run in a decade! I’m training to #runforareason in the PGH marathon in support of the children’s hospital. To find out why I’m going through this intentional misery, and maybe throw a few bucks to a great cause, visit my donation page!

raceroster.com/events/2024/...

American Hearts - Piebald American Hearts - Piebald

Last lecture of the semester, last track on Dr. C's pre-class playlist, fitting for a discussion on climate and conservation.

Hey... you're part of it!
www.youtube.com/watch?v=P4ls...

I am...

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... chinstrap penguin

www.npr.org/2023/12/01/1...

Using the En-ROADS simulator, students representing different stakeholder groups worked on solutions for climate change. These Pitt bio students are excellent consensus builders. The future is in good hands!

Apparently it’s that time of the semester. 😳

Harvest moon is superior to Harvest among Neil albums, and if there is any better album to listen to an a crisp fall day I haven’t heard it.

Taxonomy with Canimalcules was a hit with this foundations of biology class!

“🙄 I can’t believe this is happening to my life”
-my 5 year old when I sing in the car

I am recruiting a PhD student in my lab (Univ. of Pittsburgh) to study rapid evolution in response to environmental pollution using experimental evolution with our duckweed system.

More info here tinyurl.com/25dzwtyc
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Tonight’s migration forecast makes last night’s forecast seem like Tuesday night’s forecast! Yinz remember to shut off those outdoor lights!

High intensity migration over Pittsburgh tonight!