Live Science Newsletter

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“Volcanic prediction breakthrough and survivors of Pompeii.”

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 21 October 2025, 1509 UTC.

Content and Source:  “Live Science Newsletter.”

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Russ Roberts (https://hawaiisciencedigest.com).

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October 21, 2025
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Top Science News

Scientists discover new way to predict next Mount Etna eruption
Researchers analyzed changes over time in the ratio of small earthquakes to bigger ones beneath Mount Etna and found a strong correlation with the volcano’s activity over the past 20 years.
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History & Archaeology

‘It’s really an extraordinary story,’ historian Steven Tuck says of the Romans he tracked who survived the AD 79 eruption of Mount Vesuvius
“I have found two or three rich guys, but I found a couple hundred middle class and even some desperately poor people who made it out and left records. And that shocked me.”
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Space

ALMA and JWST solve major star formation mystery
For the first time ever, astronomers revealed the birthplace of an energetic jet blasted by a newborn star using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile.
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Technology

‘Rainbow-on-a-chip’ could help keep AI energy demands in check — and it was created by accident
A new photonics chip that generates multicolored laser beams could supercharge data center technology and ease the strain of AI’s surging data demands.
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Crossword

Live Science crossword puzzle #16: Famous female Australopithecus skeleton — 5 down
Test your knowledge on all things science with our weekly, free crossword puzzle!
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Daily Quiz

How were Easter Island’s giant stone statues moved across the island, according to new research?
(Learn the answer here.)
There were rolled on logs
They floated on wooden rafts
They were dragged on sledges
They rocked side to side using pendulum motion
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