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Mathematics

Believing stereotype undermines girls' math performance: Elementary school women teachers transfer their fear of doing math to girls, study finds

25 January 2010
Editor
TechAndComputer (Jan. 26, 2010) — Female elementary school teachers who are anxious about math pass on to female students the stereotype that boys, not girls, are good at math. Girls who endorse this belief then do worse at math, research at the University of Chicago shows.

These findings are the product of a year-long study on 17 first- and second-grade teachers and 52 boys and 65 girls who were their students. The researchers found that boys'...

TechAndComputer (Jan. 26, 2010) — Female elementary school teachers who are anxious about math pass on to female students the stereotype that boys, not girls, are good at math. Girls who endorse this belief then do worse at math, research at the University of Chicago shows.

These findings...

Faster, easier way to access audiovisual assets

15 January 2010
Editor
TechAndComputer (Jan. 16, 2010) — Millions of hours of old shows sit collecting dust in the basements of TV and radio broadcasters. Digging through these audiovisual treasure troves is becoming faster and easier thanks to software developed by European researchers.

In recent years many public and private organisations have embarked on initiatives to digitise collections of recordings from decades past in an effort to gain new insights into...

TechAndComputer (Jan. 16, 2010) — Millions of...

Researchers trace HIV mutations that lead to drug resistance

11 January 2010
Editor
TechAndComputer (Jan. 12, 2010) — Chemists at UC San Diego and statisticians at Harvard University have developed a novel way to trace mutations in HIV that lead to drug resistance. Their findings, once expanded to the full range of drugs available to treat the infection, would allow doctors to tailor drug cocktails to the particular strains of the virus found in individual patients.

"We want to crack the code of resistance," said Wei Wang,...

TechAndComputer (Jan. 12, 2010) — Chemists at...

New record in the area of prime number decomposition of cryptographically important numbers

08 January 2010
Editor
TechAndComputer (Jan. 10, 2010) — An international team of scientists from EPFL (Switzerland), INRIA (France), NTT (Japan), CWI (The Netherlands) and Bonn University (Germany), has obtained the prime factors of the RSA challenge number RSA-768, using the Number Field Sieve. The calculation took less than 2000 core years on modern CPUs.

Extrapolating the trend from previous records in this area (512-bit in 1999, 663-bit in 2005, and the current...

TechAndComputer (Jan. 10, 2010) — An...

Few gender differences in math abilities, worldwide study finds

05 January 2010
Editor
TechAndComputer (Jan. 6, 2010) — Girls around the world are not worse at math than boys, even though boys are more confident in their math abilities, and girls from countries where gender equity is more prevalent are more likely to perform better on mathematics assessment tests, according to a new analysis of international research.

"Stereotypes about female inferiority in mathematics are a distinct contrast to the actual scientific data," said...

TechAndComputer (Jan. 6, 2010) — Girls...

Understanding interaction in virtual worlds

23 December 2009
Editor
TechAndComputer (Dec. 23, 2009) — New cinema blockbuster, Avatar, leapt to the top of box office charts as soon as it came out -- a stunning 3D realisation of an alien world. Our fascination with themes of escape to other fantastic places and the thrill of immersion in virtual environments also attracts millions to assume new identities in online virtual worlds.

Now researchers at The University of Nottingham, SRI International in Silicon Valley...

TechAndComputer (Dec. 23, 2009) — New...

Video games: Racing, shooting and zapping your way to better visual skills

17 December 2009
Editor
TechAndComputer (Dec. 18, 2009) — Do your kids want a Wii, a PlayStation or an Xbox 360 this year? This holiday gift season is packed with popular gaming systems and adrenaline-pumping, sharpshooting games. What's a parent to do? Is there any redeeming value in the hours that teens spend transfixed by these video games?

According to a new study in Current Directions in Psychological Science, a journal of the Association for Psychological Science,...

TechAndComputer (Dec. 18, 2009) — Do...

Formula that can ID music industry payola developed

15 December 2009
Editor
TechAndComputer (Dec. 16, 2009) — A University at Buffalo researcher has invented a statistical method that can detect payola-like corruption in the music industry, a system that gives law enforcement an inexpensive statistical guide to identify potential music corruption and to better target more traditional and much more costly hands-on evidence-gathering.

The statistical formula, developed by Ming Ming Chiu, PhD, professor learning and...

TechAndComputer (Dec. 16, 2009) — A University...

Visual assistance for cosmic blind spots

23 November 2009
Editor
TechAndComputer (Nov. 24, 2009) — A bit of imagination on the part of a measuring instrument wouldn’t be a bad thing. It could help to add data from areas where the instrument is unable to measure. However, it must do so constructively. In order to infer missing data in an astronomical measurement with more than just imagination, physicists at the Max Planck Institute for Astrophysics have formulated a theory of spatial perception called in...

TechAndComputer (Nov. 24, 2009) — A bit of...