Sunday, November 09, 2025
Sunday, November 09, 2025

We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals. These shy marine creatures have no brain to speak of -- just nerve cords running down each of their five wiggly arms. But that seems to be enough to learn by association, researchers report.    
Read more …Brittle stars can learn just fine -- even without a brain

When entering public restrooms, it's hard not to dwell on what germs previous users have left behind in the toilet bowl. Imagine, instead, a self-cleaning system that doesn't require a brightly colored gel. Researchers have developed a simple, transparent coating that makes surfaces, like porcelain, more water-repellent. They show how this surface treatment effectively prevents bacteria from sticking to the inside of a toilet bowl.
Read more …Slippery toilet bowl treatment causes bacteria to slide right off

More Articles …

  1. Study of ancient British oral microbiomes reveals shift following Black Death
  2. Clever dosage control mechanism of biallelic genes
  3. Swapping blood for spit -- for convenient at-home health monitoring
  4. Tracing the evolution of the 'little brain'
  5. People who experienced childhood adversity had poorer COVID-19 outcomes, new study shows
  6. Southmead Hospital tackling emergency waits as winter arrives
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