Stephanie Pappas is a contributing writer for Live Science, covering topics ranging from geoscience to archaeology to the human brain and behavior. She was previously a senior writer for Live Science but is now a freelancer based in Denver, Colorado, and regularly contributes to Scientific American and The Monitor, the monthly magazine of the American Psychological Association. Stephanie received a bachelor's degree in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz.
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What does 'coprolite' mean?Science word of the day Pronunciation: KAHP'-ruh-lite
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What does 'allele' mean?Science word of the day Pronunciation: Ah-LEEL'
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What does 'seamount' mean?Science word of the day Pronunciation: SEE'-mount
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Military's testosterone screening program could lead to overtreatment and side effects, including impaired T productionAnalysis 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.
By Stephanie Pappas Published
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What does 'pando' mean?Science word of the day Pronunciation: PAN'-doh
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What does 'Cenozoic' mean?Science word of the day Pronunciation: See-noh-ZOH'-ihk
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What does 'lithics' mean?Science word of the day Pronunciation: LITH'-iks
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What does 'parsec' mean?Science word of the day Pronunciation: PAHR'-sek
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What does 'abiotic' mean?Science word of the day Pronunciation: Ay-bye-AH'-tik
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What does 'abiogenesis' mean?Science word of the day Pronunciation: Ay-bye-oh-JEN'-ih-sis
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What does 'cryptology' mean?Science word of the day Pronunciation: Krip-TAH'-leh-jee
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What does 'heliosphere' mean?Science word of the day Pronunciation: HEE'-lee-uhs-feer
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What does 'autotroph' mean?Science word of the day Pronunciation: AW'-tuh-trohf
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What does 'neuroplasticity' mean?Science word of the day Pronunciation: Nur-roh-pla-STISS'-ih-tee
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Scientists find thousands of earthquakes in a perfectly straight line in Alaska, revealing a hidden 'microplate'Tiny earthquakes that emerge in a strikingly linear pattern revealed the Yakutat microplate, which may be focusing volcano and earthquake activity.
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Great Pyramid of Giza is remarkably resilient to earthquakes — and it's due to the ancient Egyptians' 'extraordinary' engineering knowledgeThe Great Pyramid of Giza has survived for more than 4,600 years despite nearby earthquakes, and new research reveals why.
By Stephanie Pappas Published
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A transition may be coming for a massive Italian volcanoCampi Flegrei, a volcanic caldera near Naples, is speeding toward a transition, a new study suggests, but there are still a lot of questions as to whether it will erupt in the near future.
By Stephanie Pappas Published
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More young people are getting colorectal cancer — here's what scientists think might be happeningAnalysis People 65 and older are seeing their rates of colorectal cancer drop, but younger people are being felled by a rising number of cases.
By Stephanie Pappas Published
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The planet may become too hot for rice to be cultivated in many areas it currently existsA new study finds that climate change is creating environments where humans have never successfully cultivated rice before.
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A 2025 Alaskan tsunami was one of the largest on record, new research findsA tsunami that rocked an Alaskan fjord in 2025 was the second largest ever recorded and formed a standing wave that sloshed for a day.
By Stephanie Pappas Published
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Mount Etna is like no other volcano on Earth, representing 'a new type of volcanism,' new research revealsMount Etna's strange lava has long perplexed scientists, but new research reveals that the volcano formed in a bizarre way — making it unlike any other known volcano on Earth.
By Stephanie Pappas Published
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'Brain-eating' amoebas are nearly always fatal. New treatments may change that.Doctors are pulling out new techniques and drugs in an effort to cure devastating brain infections.
By Stephanie Pappas Published
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Colorado River may have pooled and spilled over to form the Grand Canyon, solving a long-standing mystery — but not everyone agreesThe Colorado River muscled its way through today's Grand Canyon after pooling as a giant lake, according to new research.
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Drought could fuel the rise of antibiotic-resistant superbugs as climate change worsens, new research suggestsA warming world may see more antibiotic-resistant bacteria, according to new research that shows a link between aridity and antibiotic resistance today.
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