HeyJaredSam Macdonald
- Indexed articles, last 90 days
- 8
- Latest publication
- Jul 30, 2026
- Outlet visibility, for Scientific American
- Top 50K sites
- Earliest in this view
- Jul 6, 2026
Latest articles
Chilean mummies reveal a lost lineage of smallpox (opens the original)
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Chilean mummies reveal a lost lineage of smallpox Centuries-old DNA that was found in these mummies belongs to an extinct viral lineage of smallpox that was brought across the Atlantic during European colonization of the Americas By Sam Macdonald edited by Eric Sullivan DNA recovered from two naturally mummified Indigenous people in northern Chile has yielded the first known ancient smallpox genomes in the Americas. The nearly identical genomes suggest that the two people, who lived sometime bet
This fabric is alive. Would you wear it? (opens the original)
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This fabric is alive. Would you wear it? This biodegradable textile is alive and can host engineered microbes that can change its color or add UV protection By Sam Macdonald edited by Claire Cameron Some people might live for fashion, but what if your clothes lived for you? That’s the premise behind a new material made of fungi: the textile remains alive even after it’s manufactured. In a new paper, researchers describe how this biodegradable material works. It can regrow its surface, enabling i
Mesmerizing NASA time-lapse reveals Mars’s craters, polar ice caps and deserts (opens the original)
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Mesmerizing NASA time-lapse reveals Mars’s craters, polar ice caps and deserts The Psyche spacecraft flew by Mars earlier this year on its way to a metal-rich asteroid, capturing the images along the way By Sam Macdonald edited by Claire Cameron NASA’s Psyche spacecraft is on its way to a metal-rich asteroid beyond Mars—and it’s enjoying the scenic route. In a flyby maneuver earlier this year, Psyche used the planet’s gravity to reshape its trajectory, all while capturing images that NASA has st
Mathematicians are closing in on the hidden order inside chaos (opens the original)
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Mathematicians are closing in on the hidden order inside chaos A new breakthrough pushes the limits of randomness, bringing a decades-old mathematical mystery closer to resolution By Sam Macdonald edited by Joseph Howlett & Lee Billings For most of the past century, mathematicians have been exploring the limits of Ramsey theory, the study of order hiding inside chaos—or, more accurately, how much disorder can be packed into a system before order must inevitably emerge. Progress has been frustrat
Experimental immune therapy shows promise against deadly childhood brain cancer (opens the original)
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Experimental immune therapy shows promise against deadly childhood brain cancer Several children who had aggressive recurrent brain tumors remained disease-free years after this treatment, according to an early-stage trial By Sam Macdonald edited by Claire Cameron Brain and spinal cord tumors are the deadliest childhood cancers, and treatments for the most aggressive forms often leave families with few options. Now an experimental immune-cell therapy has cleared an important early hurdle, with s
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