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Friday, 2 October 2026

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From: Live Science <livescience@smartbrief.com>
Date: Fri, 2 Oct 2026 at 12:57
Subject: Most accurate atomic clock | Hidden strengths from adversity | Napoleon's cypher decoded
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Physicists unveil the most accurate atomic clock ever ?—? and it could literally redefine the second

Created for zvagoman@gmail.com | Web Version

October 2, 2026

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Top Science News

Physicists unveil the most accurate atomic clock ever ‪—‬ and it could literally redefine the second

Physicists have used radioactive lutetium to create what they say is the most accurate atomic clock ever, keeping time perfectly up to 19 decimal places.

Question of the Day

Triggered by the super El Niño, what is the name given to a powerful wave that threatens to sea levels off the California coast?

(Learn the answer here)

Science Spotlight

Adversity shaped our evolution as a species. People raised in it may have underrecognized strengths because of it.

Psychologists have long studied the deficits associated with being raised in adversity. They're now discovering the hidden strengths that can emerge in those settings.

Introducing Live Science Pro — a new space to get all the science with none of the distractions

Go beyond the headlines to read the latest in-depth science features, op-eds, book excerpts and more.

See what's new on Pro

History & Archaeology

'It's a portrait of their actual ancestor': Facial reconstruction of Indigenous man who lived in Ecuador 3,000 years ago shared with his descendants

You can now see a facial reconstruction — and the particular hairstyle — of a man who lived more than 3,000 years ago in what is now Ecuador.

Your Body

Your voice may reveal how fast you're aging, new AI 'speech clock' suggests

A new machine-learning "speech clock" estimates a person's chronological age from their speech, drawing links between older-sounding speech and cognitive decline.

Animals

Watch the world's smallest crocodiles snatch bats in their hidden underground lair ‪—‬ a behavior never seen before

Live Science can exclusively reveal a video of Gabon's mysterious cave-dwelling dwarf crocodiles snatching bats in a never-before-seen hunting behavior, ahead of the series premiere of "Africa: Earth's Wild Home."

Watch now

'It's very "Jurassic Park," you know ‪—‬ life-finds-a-way sort of a scenario': Read the full story here

Technology

'A kind of Rosetta Stone': AI decodes 217-year-old secret letter ordered by Napoleon

GPT-6 Astra has been used to solve a centuries-old cipher used to convey strategic military information between Napoleon's troops.

Physics & Math

'This is what happened with Claude and me': AI's failed attempt to crack the Riemann hypothesis led mathematician to a breakthrough

An attempt by Anthropic's Claude failed to prove the Riemann hypothesis, but it did produce something genuinely useful: inspiration.

Quizzes and Games

Live Science crossword #63: Spacecraft used in NASA's Artemis missions — 7 across

Test your knowledge on all things science with our weekly, free crossword puzzle!

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Daily sudoku: Take a break with this classic numbers puzzle

Get a new challenge every day with our free online sudoku puzzles.

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Chain Word: Solve our science word of the day puzzle

You have six chances to guess our five letter word of the day. Can you figure it out and top the leaderboard?

Play now

Play more quizzes and games on Live Science

Editor's Note

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