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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Study reveals new clues to why colorectal cancer in young people is so deadlyColorectal cancer in young people shows genetic and structural differences that may make it more aggressive and treatment-resistant than the cancer tends to be in older people.
By Stephanie Pappas Published
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'A potential glimpse into the future': Climate change has triggered 'permafrost landslides' with house-size blocks of ice in CanadaFor the first time, researchers have identified a new type of landslide of permafrost in Canada's Northwest Territories.
By Stephanie Pappas Published
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Colorectal cancer cases in kids have risen sixfold over past 2 decades ‪—‬ researchers are racing to understand whyAnalysis While rare, colorectal cancer is becoming more common in kids, teens and young adults, and the disease appears particularly aggressive in this age group.
By Stephanie Pappas Published
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Climate change is literally altering the shape of our planetThe melting of the poles is increasingly shifting Earth's shape at a faster rate, with the planet becoming more and more round.
By Stephanie Pappas Published
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Devastating 2025 Myanmar earthquake sheds light on how the 'Big One' could play out in CaliforniaThe fault that triggered a massive earthquake in Myanmar last year is tilted much like California's San Andreas, which can influence how much shaking takes place and where.
By Stephanie Pappas Published
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'She knew she had something really important on her hands': Rosalind Franklin figured out DNA's helical structure before Watson and Crick, study suggestsRosalind Franklin knew about DNA's helical structure ahead of Watson and Crick, a new study of her photos and notes reveals.
By Stephanie Pappas Published
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Earth's crust is 'unzipping' beneath Italy — and that could explain most of the earthquakes in the regionThe peeling away of Earth's crust beneath Italy may explain a lot of the seismic activity in the mountains that run along the spine of the country.
By Stephanie Pappas Published
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Climate change will triple the number of days over 105 F in the US. The health impacts will be dire.Science Spotlight Extreme heat will become more common as the climate continues to warm. That will affect almost every facet of our health.
By Stephanie Pappas Last updated
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'Wildfire smoke is the fastest-growing environmental threat in the US': How a warming world will poison the air we breatheScience Spotlight Wildfires are projected to increase dramatically due to climate change. That could trigger a massive increase in heart attacks, premature births and early deaths, research reveals.
By Stephanie Pappas Last updated
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South American 'Pompeii': Volcanic eruption 22 million years ago preserved a snapshot of the Andes formingAn enormous volcanic eruption buried a snapshot of the baby Andes mountains, revealing a slow-and-steady growth rate.
By Stephanie Pappas Published
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We now have an incredibly detailed map to help predict which areas of LA are the most at risk from 'The Big One'A new 3D map of the Los Angeles basin reveals deep sediments that could intensify shaking in an earthquake.
By Stephanie Pappas Published
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Infectious diseases will seed new ground as the planet warms — here's where they'll spreadScience Spotlight Climate change will increase our exposure to myriad infections, from tick-borne diseases to drug-resistant bacterial infections.
By Stephanie Pappas Published
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'The apple you eat isn't the apple your granddaughter will eat': What's on the menu in a warming world?Science Spotlight Almost every aspect of our food system will be transformed by climate change.
By Stephanie Pappas Published
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As cervical cancer rates fall, HPV is causing more throat and mouth cancers in men — why?Analysis HPV vaccination is helping knock back cervical cancer rates, but meanwhile, mouth and throat cancers caused by the virus are up in men. Here's what to know.
By Stephanie Pappas Published
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Genetics triggers male black widows to blackflip into death, study findsA wild cannibalistic sexual behavior in spiders has a simple genetic explanation, new study finds.
By Stephanie Pappas Published
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What does 'covalent' mean?Science word of the day Pronunciation: Coh-VAY'-lent
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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
By Stephanie Pappas Published
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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
By Stephanie Pappas Published
4 CommentsScience word of the day
