It is one of those questions that sounds almost too simple to deserve a scientific explanation. Look up on a clear afternoon and the sky is blue. Yet that familiar color is the visible result of sunlight colliding with molecules thousands o...
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Space is a vacuum, so an astronaut cannot simply lift a visor and take a sniff. Yet crews returning from spacewalks have repeatedly described something remarkably close to a smell of space:...
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In the Chihuahuan Desert of northern Mexico, where Durango, Chihuahua and Coahuila approach one another across an immense dry basin, a patch of landscape has acquired one of the strangest re...
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From the ground, Earth is almost too large to understand. Nations fill maps. Mountain ranges divide regions. Oceans separate continents. Political borders seem concrete because they organize...
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An old tree can carry the shape of an injury long after the branch that caused it has disappeared. A swollen collar may surround the site of a lost limb. Growth rings can bend around the old...
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Modern elections are designed to look ordinary. Voters enter a booth, mark a choice, deposit a ballot and wait for arithmetic to produce a winner. In medieval and early modern Europe, choosi...
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Astronomy has a reputation for expensive telescopes, complicated star charts and distant objects visible only through professional instruments. Yet some of the sky's most memorable events re...
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Few subjects can turn an ordinary Italian lunch into a tribunal quite as quickly as a traditional recipe. Put cream in carbonara, use pancetta instead of guanciale, add garlic where somebody...
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When Was SEO Born? A Brief History and Its Evolution into Modern Search Strategy Search Engine Optimization — better known as SEO — is one of the most influential forces shaping the interne...
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n a land filled with ancient myths and vibrant traditions, India never ceases to surprise. One of the most astonishing sites is the Karni Mata Temple in Rajasthan — a holy place where over 2...
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