Letters to the Editor
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Astronomy
Wandering planets, the smell of rain and more reader feedback
Readers consider how hard it would be to fashion Paleolithic tools, discuss what to call free-floating worlds and more.
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Particle Physics
Particle hunting in space, life in the urban jungle and more reader feedback
Readers discuss wheat's journey to England, share stories about urban wildlife and more.
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Animals
Dealing with droughts, museums going digital and more reader feedback
Readers share their experiences with dry weather in the U.S., discuss how humans mentally sort quantities and more.
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Psychology
Rethinking light’s speed, helping young adults with autism and more reader feedback
Readers discuss the best ways to replicate findings in scientific studies, help teenagers with autism transition to adulthood, and more.
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Computing
Concerns about drones, how to hunt exoplanets and more reader feedback
Readers discuss the potential impacts of human-made fliers and muse about the advantages a poker-playing computer program has over human opponents.
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Earth
Water’s unclear origins, shaky solutions to climate change and more reader feedback
Readers discuss the pitfalls of carbon storage, whether a recent movie got Alan Turing's story right and more.
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Earth
Mineral hunting, mob math and more reader feedback
Readers ask about Earth's most abundant mineral and discuss the notoriously unpredictable behavior of pedestrians.
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Science & Society
Smell circuitry, stalled stem cells and more reader feedback
Readers discuss a journal's publishing practices, ask about the human sense of smell and weigh in on their favorite picks from our Top 25 stories of the year.
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Neuroscience
Feedback
Readers discuss volcanoes and brain studies involving chocolate, and recommend some science-based options for game night.
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Health & Medicine
Online favorites of 2014
Science News' website traffic reveals the most-read news stories and blog posts of 2014.