Curious. Pedagogy nerd. Interested in science/transport history/inequality. Oide Chemistry PLL. Retweets ≠ endorsements. @kelleherscience.bsky.social
Joined December 2015
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Sean Kelleher retweeted
Professor John Nolan: Could your eyes hold the clues to your brain health? jrnl.ie/7170786
🧪Chicken or egg? Can cognition haapen without neurons? And what happened before neurons evolved? theguardian.com/news/ng-inte…
🧪 The great silence: why haven’t we found any aliens yet? theguardian.com/news/2026/au…
Sean Kelleher retweeted
On #MooneyGoesWild from 10pm tonight on @RTERadio1 We celebrate 30 years of Terry's @mybroadcasts unforgettable wildlife reporting, from rare moths and goats protecting Howth from wildfire to fossil hunters, elusive ducks and robins nesting in a barbershop rte.ie/radio/radio1/mooney/2…
Sean Kelleher retweeted
The latest issue of Classroom Physics from the IOP is now available online. The theme is Music and Physics:
spark.iop.org/classroom-phys…
Sean Kelleher retweeted
The @ScienceonStage festival comes to a close. Lots of friends made, lots of inspiring conversations with enthusiastic teachers from all over Europe and beyond.
Sean Kelleher retweeted
The Irish Team full of enthusiasm sharing their projects to over 500 teachers from over 35 countries all across Europe and even as far as Canada to Kazakhstan.
#sons2026 @ScienceonStage @DCU
Sean Kelleher retweeted
SEC New Leaving Cert Geography exam papers have been released. examinations.ie/scr/?l=en&mc…
When surface tension > gravity
In space, water doesn’t behave the way you expect.
In microgravity, there’s no gravity pulling it down—so surface tension takes over. Instead of dripping or flowing, water sticks together and clings to surfaces, even forming a floating layer around your hands.
This is why astronauts can’t use normal sinks or showers. Water doesn’t fall away—it has to be carefully controlled and collected.
This iconic experiment by Chris Hadfield shows just how strange everyday physics becomes in space.
Credit: NASA / ESA
Sean Kelleher retweeted
Looking for more? Bookmark this link to our Artemis II multimedia library for quick access to the latest imagery. nasa.gov/artemis-ii-multimed…
Sean Kelleher retweeted
the raw scans of all the Hasselblad pictures (including Mercury and Gemini) are over at tothemoon.im-ldi.com
offers them in small, medium, and full-size PNGs as well as the raw TIFF file
however they're sorted by mission and magazine so it's not as simple as keywords
Sean Kelleher retweeted
🎁 FREE GIFT: FULL ROSENSHINE CPD PACK!
To celebrate 50 consecutive weeks of ⚗️DistillED, I’ve put together something quite cool…
Over the past year, Rosenshine’s Principles of Instruction has been one of the most requested topics from teachers and school leaders. So I’ve put together a complete, ready-to-run CPD pack to help schools explore and implement all 10 principles.
The download includes:
→ 10 CPD PowerPoints (ready for 30–45 min sessions)
→ 10 strategy checklists (practical classroom actions)
→ 10 planning templates (put principles into action )
→ Covers all 10 of Rosenshine’s Principles of Instruction
Everything you need to run ten focused CPD sessions — one for each principle.
👉 REPOST and comment ROSENSHINE and I’ll DM you the link. Cheers!
⏰ Available until Sunday 22 March!
Sean Kelleher retweeted
Aurora Borealis is really vibrant over Inis Oírr and Galway Bay this evening. Nourishment for the soul. Take a few minutes now to look towards the night sky.
Sean Kelleher retweeted
Teachers and students are already using GenAI across the globe.
But is education improving?
The new Digital Education Outlook assesses the latest evidence from international data.
What is known about GenAI's impact on learning, creativity and teaching?
oecd.org/en/publications/oec…
