Over-Screening For Cancer A Waste Of Funds
Elderly women are receiving a large number of mammograms and Pap smears with limited scientific evidence of advantage, researchers from…
DNA Creates Self-Assembling Nano-Transistor
Scientists at the Technion-Israel Institute of Technology have harnessed the power of DNA to create a self-assembling nanoscale transistor, the…
Bush’s CO2 Dumping Plan Could Devastate Sea Life
A Bush Administration proposal to mitigate the effects of global warming by capturing carbon dioxide emissions from power plants and…
Evolutionary Changes Not Always Small
For more than a century, scientists have concluded that a species evolves or adapts by going through an infinite number…
Nicotine Improves Memory And Helps Brain Repair Itself
The remarkable protective effects of nicotine – the addictive chemical in tobacco – on the brain are continuing to surprise…
New Method To Map Dark Matter
The “dark matter” that comprises a still-undetected one-quarter of the universe is not a uniform cosmic fog, says a University…
Enigma Of Extraterrestrial Amino Acids
Amino acids have been found in interstellar clouds and in meteorites – but with some enigmatic omissions and tantalizing similarities…
Sun’s Iron Core May Be Cause Of Solar Flares
\ The spate of solar storms that have hit Earth in recent days may be caused by the sun’s iron-rich…