Help solve Santa's logistics troubles with a little maths
In just one night, Santa has to visit millions of homes to deliver presents. If he could travel at the speed of light, the task would be simple.
In just one night, Santa has to visit millions of homes to deliver presents. If he could travel at the speed of light, the task would be simple.
Mathematics
Dec 23, 2013
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(Phys.org) —Findings from Internet intelligence company Renesys sound an alert to a hijacking practice in the form of traffic misdirection on the Internet. A November 19 blog on the Renesys site has since caught the attention ...
Scientists have studied bird migration for centuries, but it remains one of nature's great mysteries. How do birds find their way over long distances between breeding and wintering sites? Is their migration route encoded ...
Plants & Animals
Aug 29, 2013
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Looking for a parking space for hours at a busy shopping mall or being stuck on roads jammed with cars releasing large amounts of carbon dioxide are all-too-familiar scenes for city dwellers.
Engineering
Aug 20, 2013
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Need a car, but don't want the hassle of owning one? Today, there are many services to help you get around this jam, including traditional car-rental companies, taxis, and car-sharing programs such as Zipcar and Greenwheels. ...
Computer Sciences
Jun 24, 2013
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The town of Kirkenes in northernmost Norway used to be further away from Asia than virtually any other European port, but it suddenly seems a lot closer. The reason: Global warming.
Environment
Jun 23, 2013
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Monarch butterflies have long been admired for their sense of direction, as they migrate from Canada and the United States to Mexico. According to new findings from a team of scientists, including researchers from the University ...
Plants & Animals
Apr 8, 2013
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The catastrophic drought last year in the Horn of Africa affected millions of people but also caused the extremely late arrival into northern Europe of several migratory songbird species, a study from University of Copenhagen ...
Plants & Animals
Dec 6, 2012
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In a landmark study, University of Otago researchers have achieved the feat of sequencing complete mitochondrial genomes for members of what was likely to be one of the first groups of Polynesians to settle New Zealand and ...
Biotechnology
Oct 22, 2012
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By outfitting two British Columbia subspecies of Swainson's thrushes with penny-sized, state-of-the-art geolocators, University of British Columbia researchers have been able to map their wildly divergent migration routes ...
Plants & Animals
Sep 25, 2012
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