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On Tuesday, July 28, 2026, 12:17 pm, Live Science <livescience@smartbrief.com> wrote:
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Top Science News
Military's testosterone screening program could lead to overtreatment and side effects, including impaired T production The U.S. Department of Defense plans to conduct regular testosterone screening of service members, but this practice is not recommended by professional medical organizations.
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Question of the Day
Which parasite is causing lettuce-related infections reported in nine U.S. states?
Giardia duodenalis
Cyclospora cayetanensis
Entamoeba histolytica
Plasmodium falciparum
History & Archaeology
Ancient human relative cannibalized both adults and children in a cave in Spain 850,000 years ago, fossils reveal Newly excavated bones from Gran Dolina cave in Spain reveal an ancient human relative practiced cannibalism on adults and children, but researchers still don't know why.
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Planet Earth
Science word of the day: Pando Pronunciation:PAN'-doh
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In the Sky
7 ways to photograph the 2026 total solar eclipse — from smartphone to telescope Whether you're carrying a phone, a mirrorless camera or a smart telescope, here are some tried and tested ways to capture the Aug. 12, 2026, total solar eclipse.
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Technology
'World models' are the future of AI, but how do they work? Scientists are increasingly looking at building world models to get AI equipped to handle and interact with our physical reality.
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Physics & Math
'Feynman and followers, you guys are off': Physicists disprove decades-old Richard Feynman theory on 'silly' sprinklers Scientists have pinned down why a sprinkler spins when it sucks in water instead of spraying it out — a problem that stumped Richard Feynman and has divided physicists for nearly a century.
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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?
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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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Live Science crossword puzzle #54: Egyptian pharaoh who died at 18 — 6 down Test your knowledge on all things science with our weekly, free crossword puzzle!
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