pholfelder.bsky.social

pholfelder.bsky.social

@pholfelder.bsky.social

Curious, mostly. Helpful, hopefully.

157 followers749 following117 posts

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In a series of 3 papers and preprints, we’re thrilled to share with you the working laser phase plate. In collaboration with research led by Holger Müller at UC Berkeley, this is a huge innovation in imaging to make small and faint objects inside cells visible. bit.ly/4vK9LVn

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How students leverage self-delusion to beat procrastination: Our new field study shows that university students strategically inflate their believed returns to effort by 20% as exams approach, proving that biased beliefs function as an instrumental tool for self-control.

190researchblog.substack.comStrategic Self-Delusion: How Students Manage Beliefs to Overcome Present BiasBönisch, König, Schweighofer-Kodritsch & Weizsäcker "Beliefs as a means of self-control? Evidence from a dynamic student survey" Journal of Economic Dynamics & Control 184 (2026)

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Dutch film-maker Jan van IJken condensed 4 weeks of development in a salamander embryo (Mesotriton alpestris) into a 6 minute video, presented here sped up to 1 minute. You can see gastrulation at ~the 10s mark, forming the gut, then limbs & in a moment, the heart just *begins* beating.

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Love this. Absolutely sublime.

Astronomy 🔭@astronomy.bsky.social

NEW: Astronaut Reid Wiseman shares a video of ‘Earthset’ that was taken with his iPhone “This is uncropped, uncut with 8x zoom which is quite comparable to the view of the human eye…” Wiseman said. This has to be the greatest iPhone video of all time.

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46 years ago on April 5, 1980, the band played their first show. Sandra-Lee Phipps took these photos that historic night in Athens at St. Mary’s Episcopal Church on Oconee Street.

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TikTok has some amazing niche content and if you’re in to linguistics at all it’s got you covered. This guy does amazing content on dialect. Part 1/2

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For the good of society, individuals should be way more concerned with obligations than with rights, but societies should be way more concerned with rights than with obligations

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I wanted to share probably the most important sermon I’ve given and it’s while I’m being arrested. It’s torture pure and simple what happens at #Broadview. I’m ok, though I was thrown to the ground and choked with my pectoral cross. A review of the video shows I was peaceful - did I deserve this?

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When someone says something nice about us, it can make us feel awkward and uncomfortable. Researchers explain the science behind those emotions — and make the case for accepting genuine praise.

n.prIf compliments make you feel super awkward, this comic is for youWhen someone says something nice about us, it can make us feel awkward and uncomfortable. Researchers explain the science behind those emotions — and make the case for accepting genuine praise.

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Been a busy year in the data mines.📊 Just published my mid-year roundup: 29 data visualizations on the state of US democracy, tracking everything from judicial resistance to billionaire influence to why Dems have a mobilization crisis, not a moderation problem. All charts free to use:

open.substack.comOn Data and Democracy (Mid-Year Roundup): Charting the Assault on American Democracy and A Path ForwardA narrative of a democracy in the balance, told through 29 data visualizations.

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Replying to @tylerhuckabee.bsky.social

I've spent a lot of time thinking about this fascinating exchange Colbert had with Dua Lipa, when she asked him about the role his faith plays in his comedy.

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Talk about The Wire, Sopranos, Game of Thrones all you want, but the greatest US television program ever made is Sesame Street. It's not even close. 50+ years of treating kids across class, ethnicity, religion not as mini-consumers...but as citizens with a stake in this world.

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Chicago releases “Saturday in the Park” as a single today in 1972 — a song written when Robert Lamm visited Central Park, then returned to the band’s hotel “excited after seeing the steel drum players, the singers,” bandmate Walt Parazaider recalled. “I said, ‘Man, it’s time to put music to this!'”

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2025 candidate filing is underway in North Carolina It's easy to ignore these municipal elections (and, they're more than a bit confusing to follow), but they're critical. Here's a 🧵about the characteristics of these elections & these electorates, and why you should care. #ncpol (1/10)

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There's no path out of the crisis that comes from shrinking the circle of who deserves public services, or narrowing the aperature of human dignity. We are invariably in this together.

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In Congress, July 4, 1776 The unanimous Declaration of the thirteen united States of America When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another,

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Wishing you a happy #FourthOfJuly. Let's deepen bonds with friends, family, & neighbors. The U.S.'s founding ideals & foundational challenges still inspire. Establish justice Ensure domestic tranquility Provide common defense Promote general welfare Secure blessings of liberty How can we, 🇺🇲?

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We wanted to sing one for Brian Wilson last night at our show at the Chicago Theater. The rehearsal may have had more magic…

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Thinking of the countless American lives lost and the thousands of brave men and women who answered the call of our nation with great courage and honor. Memorial Day and all days we thank those who made the ultimate sacrifice to protect our freedoms and keep us safe 🇺🇸

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