McKenzie Prillaman was the Spring 2023 science writing intern at Science News. She holds a bachelor’s degree in neuroscience with a minor in bioethics from the University of Virginia. She also studied adolescent nicotine dependence as a postbaccalaureate fellow at the National Institute on Drug Abuse. After figuring out she’d rather explain scientific research than conduct it, she worked at the American Association for the Advancement of Science and then earned a master’s degree in science communication from the University of California, Santa Cruz. Her work has appeared in Nature, Scientific American, Mongabay, Eos and the Mercury News, among other publications.
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All Stories by McKenzie Prillaman
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Animals
Bottlenose dolphin moms use baby talk with their calves
When their babies are near, bottlenose dolphin moms modify their signature whistles, similar to human parents speaking in baby talk.
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Neuroscience
Brain cavities that swell in space may need at least 3 years to recover
MRI scans of astronauts show that duration in space and time between flights affect how much the brain’s fluid-filled cavities expand during missions.
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Chemistry
19th century painters may have primed their canvases with beer-brewing leftovers
Several paintings from the Danish Golden Age contain remnants of brewer’s yeast, barley and other grains commonly used to brew beer.
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Health & Medicine
WHO declares an end to the global COVID-19 public health emergency
Global COVID-19 deaths are down and immunity is up. But with the virus here to stay, it’s time to shift to more long-term health measures.
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Health & Medicine
The U.S. COVID-19 public health emergency is ending. What does that mean?
The declaration, made early in the pandemic, made tests, vaccines and treatments free to all. On May 11, the proclamation ends.
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Health & Medicine
Ultrasound allows a chemotherapy drug to enter the human brain
An early-stage clinical trial demonstrates a technique for getting a powerful chemotherapy drug past the usually impenetrable blood-brain barrier.
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Health & Medicine
Pets and people bonded during the pandemic. But owners were still stressed and lonely
People grew closer to their pets during the first two years of COVID. But pet ownership didn’t reduce stress or loneliness, survey data show.
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Psychology
Native language might shape musical ability
People who speak tonal languages, where pitch alters meaning, are better at perceiving melody but worse at rhythm than speakers of nontonal languages.
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Archaeology
A prehistoric method for tailoring clothes may be written in bone
A punctured bone fragment was probably a leatherwork punch board. Perforated leather sewn together may have been seams in clothing.
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Science & Society
The Smithsonian’s ‘Lights Out’ inspires visitors to save the fading night sky
The exhibition examines how light pollution harms astronomy, ecosystems and human cultures. But it also offers hope.
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Animals
Invasive yellow crazy ants create male ‘chimeras’ to reproduce
Yellow crazy ants are first known species where chimerism is required in males: Each of their cells holds DNA from just one of two genetic lineages.
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Animals
These transparent fish turn rainbow with white light. Now, we know why
Repeated structures in the ghost catfish’s muscles separate white light that passes through their bodies into different wavelengths.