News tagged with number
Scientists Make First Observation of Unique Rydberg Molecule
Apr 28, 2009 |
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(PhysOrg.com) -- When Enrico Fermi investigated the Rydberg atom in the '30s, he never imagined that the giant atoms could form molecules. Later, in the '70s and '80s, theoretical physicist Chris Greene predicted ...
Making waves: Mathematicians crack quantum chaos conjecture
Oct 10, 2008 |
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The American Institute of Mathematics announces that Soundararajan and Roman Holowinsky have proven a significant version of the quantum unique ergodicity conjecture. Their work, based in the pure mathematics area of number ...
Cryptographic voting debuts
Technology / Computer Sciences
Nov 13, 2009 |
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(PhysOrg.com) -- Last week, in Takoma Park, Md., a new cryptographic voting system that could ensure accurate vote counts was used for the first time in a real election. MIT’s Ron Rivest, the Viterbi Professor ...
Swiss official tells Google to erase street views
Aug 24, 2009 |
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(AP) -- A Swiss government official is demanding that Google Inc. immediately take off the Internet any "Street View" images of Switzerland, and the company said Monday it would work to resolve problems with the privacy ...
Pre-verbal number sense common to monkeys, babies, college kids
Biology /
Feb 13, 2009 |
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Basic arithmetic and "number sense" appear to be part of the shared evolutionary past of many primates; it's the use of language to explain abstractions that apparently takes human math to a higher level.
Boy or girl? It's in the father's genes
Biology /
Dec 11, 2008 |
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(PhysOrg.com) -- A Newcastle University study involving thousands of families is helping prospective parents work out whether they are likely to have sons or daughters.
Scientists identify genomic causes of a certain type of leukemia relapse
Nov 27, 2008 |
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Scientists at St. Jude Children's Research Hospital have identified distinctive genetic changes in the cancer cells of children with acute lymphoblastic leukemia (ALL) that cause relapse. The finding offers a pathway to designing ...
DNA chunks, chimps and humans
Biology /
Nov 06, 2008 |
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Researchers have carried out the largest study of differences between human and chimpanzee genomes, identifying regions that have been duplicated or lost during evolution of the two lineages. The study, published in Genome Re ...
Insect world royalty shows they really count... up to four
Biology /
Oct 28, 2008 |
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(PhysOrg.com) -- Research led by the head of visual neuroscience at UQ's Queensland Brain Institute (QBI) has demonstrated honey bees are capable of routinely counting up to four.
Study: Voters in battleground states more ambivalent about presidential candidates
Oct 20, 2008 |
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Heavy advertising by both Democratic and Republican presidential candidates may actually make voters in battleground states more confused about which candidate to vote for, a new study suggests.
As easy as 1, 2, 3: Number sense correlates with test scores
Medicine & Health / Psychology & Psychiatry
Sep 07, 2008 |
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Knowing how precisely a high school freshman can estimate the number of objects in a group gives you a good idea how well he has done in math as far back as kindergarten, researchers at The Johns Hopkins University found.
Indigenous children don't need number words to 'count', says new study
Aug 18, 2008 |
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The study, by researchers from the University of Melbourne and University College London, is set to be published in the journal Proceedings of the National Academy of Sciences.
Hunting the elusive L-function
Aug 06, 2008 |
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(PhysOrg.com) -- There was a lot of excitement last month about ‘L-functions’. A PhD student in the Department of Mathematics, University of Bristol, Ce Bian, in collaboration with his supervisor, Dr Andrew ...
Gasoline stations set prices to match a small number of other stations
Jul 31, 2008 |
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For many years, there have been competition concerns regarding how retail gasoline prices are set in the U.S. and Canada. Consumers have complained about the perceived uniformity of retail gas prices and the perception that ...
Do birds have a good sense of smell?
Biology /
Jul 16, 2008 |
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The sense of smell might indeed be as important to birds as it is to fish or even mammals. This is the main conclusion of a study by Silke Steiger (Max Planck Institute for Ornithology) and her colleagues. ...
