4/ The big idea: maybe Snowball Earth was a trigger for complex life, not just something it survived. Animals, green and red algae all radiated then. Love seeing deep-time ideas tested with experimental evolution! @aha11ing.bsky.social @glyptocrinus.bsky.social doi.org/10.1016/j.isci.2026.117756

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2/ First up, Halling et al. in iScience. During the Cryogenian Snowball Earth, frigid seas under global ice were up to ~4x more viscous than today. That's a real problem if you're a single cell trying to swim and find food. Did this push life toward multicellularity?

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This would not surprise me in the least. “I am large and contain multitudes,” as Walt Whitman opined. www.newscientist.com/article/2593...

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This just dropped! A fun conversation about the coral holobiont with @markowenmartin.bsky.social in his podcast #MattersMicrobial Thank you so much for the invite! youtu.be/sO_TPJAHfWM?...

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There are two type of articles on AI: the ones who read like an article by The Onion. And the ones that make Terminator sounds like a documentary. When asshats and idiots are running the show, I guess.

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