 1 July 2009
Daily sex boosts male fertility
Fertility experts say that although frequent ejaculation decreases semen volume and sperm concentrations, it significantly increases sperm motility and reduces DNA damage...
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30 June 2009
Laser-lens promises attosecond shutter-speeds
A virtual lens created by two counterpropagating laser beams could theoretically deliver incredibly fast shutter speeds, making the real-time observation of matter at the molecular level a real possibility...
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29 June 2009
BPA exposure during pregnancy alters offspring's DNA
In animal studies, exposure to BPA (a common chemical found in many plastic household items) during pregnancy is known to cause fertility defects in the offspring, and now researchers have found out how those defects occur...
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26 June 2009
Beauty in the eye of the beholder? Only for women
Hot or not? Men agree on the answer but women don’t. So says a new study that found there is much more consensus among men about whom they find attractive than there is among women...
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25 June 2009
Cost of genotyping plunges thanks to Sudoku logic
Sudoku, the math-based game that took the world by storm, may now be poised to revolutionize the fast-changing world of genome sequencing and the field of medical genetics...
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24 June 2009
Researchers tickled by feathers' prodigious hydrogen storage capabilities
Carbonized chicken feather fibers are as efficient at storing hydrogen as carbon nanotubes and would add only $200 to the cost of a hydrogen powered car compared to nanotube storage which would add more than $5M...
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23 June 2009
Brain treats tools as body parts
When we use a tool - even for just a few minutes - it changes the way our brain represents the size of our body, with the tool becoming an integrated component of our body schema...
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22 June 2009
Combination approach could eradicate HIV from body
Medications that target viral replication of HIV throughout the body, in combination with drugs that prevent infected memory T-cells from dividing, could eliminate the reservoirs of HIV that stubbornly persist within the body, eventually leaving it disease-free...
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19 June 2009
New computational methodology could revolutionize evolutionary biology
Detailed, accurate evolutionary trees that reveal the relatedness of living things can now be determined much faster and for thousands of species with the help of a novel computing method...
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18 June 2009
Bacteria found to exhibit anticipatory behavior
Bacteria can anticipate future events and prepare for them, according to new research that explores how a microorganism's genetic networks are hard-wired to "foresee" what comes next in a sequence of events...
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17 June 2009
Mad fish disease could threaten humans
Experts are questioning the safety of eating farmed fish that are fed byproducts rendered from cows...
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16 June 2009
Novel material could revolutionize electronics
At room temperatures, bismuth telluride - which can be fabricated using existing semiconductor technologies - behaves as a topological insulator, allowing electrons on its surface to travel with no loss of energy...
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