News tagged with number
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.
Scientists propose new direction in the search for genetic causes of schizophrenia
Feb 06, 2009 |
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A new study shows that schizophrenia is caused, at least in part, by large, rare structural changes in DNA referred to as copy number variants (CNVs) - not the tiny, single letter alterations (single nucleotide polymorphisms ...
Sorting diamonds from toothbrushes: New guide to protecting personal information
Jan 13, 2009 |
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Thefts of personally identifiable information (PII), such as social security and credit card account numbers, are increasing dramatically. Adding to the difficulty of fighting this problem, organizations often disagree on ...
Boy or girl? It's in the father's genes
Biology /
Dec 11, 2008 |
4.2 / 5 (20) |
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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.
New screening halves the number of children born with Down syndrome
Nov 28, 2008 |
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A new national screening strategy in Denmark has halved the number of infants born with Down's syndrome and increased the number of infants diagnosed before birth by 30%, according to a study published on bmj.com today.
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 ...
Microarray analysis improves prenatal diagnosis
Nov 17, 2008 |
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A "chip" or array that can quickly detect disorders such as Down syndrome or other diseases associated with chromosomal abnormalities proved an effective tool in prenatal diagnosis in a series of 300 cases at Baylor College ...
DNA chunks, chimps and humans
Biology /
Nov 06, 2008 |
4.3 / 5 (15) |
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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 ...
Study sheds light on genetic differences that cause a childhood eye disease
Oct 31, 2008 |
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Medical researchers at the University of Alberta have unlocked part of the mystery underlying a childhood eye disease. New research shows how children with some types of glaucoma end up with missing or extra pieces of DNA.
Insect world royalty shows they really count... up to four
Biology /
Oct 28, 2008 |
4.3 / 5 (9) |
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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.
Seeing red -- in the number 7
Medicine & Health / Psychology & Psychiatry
Oct 22, 2008 |
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Hypnosis can induce synaesthetic experiences – where one sense triggers the involuntary use of another – according to a new study by UCL (University College London) researchers. The findings suggests that people with synaesthesia, ...
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.
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 ...
Has a new era of reinstitutionalization in mental health care begun?
Oct 10, 2008 |
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[B]Research paper: A retrospective analysis of hospital episode statistics, involuntary admissions under the Mental Health Act 1983, and the number of psychiatric beds in England 1996-2006[/B] The number of compulsory adm ...
Gun shows do not increase homicides or suicides
Oct 01, 2008 |
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(PhysOrg.com) -- A new study finds no evidence that gun shows lead to substantial increases in either gun-related homicides or suicides.
