We asked the experts to explain what makes this year's flu season so unusual. Colored scanning electron micrograph (SEM) of H1N1 influenza (flu) virus particle isolated from a lung cell.
Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? Long, slender ...
This is a microscope image of the full chip fabricated in IBM's 45nm process containing electronics and photonics on the same chip. Disclaimer: AAAS and EurekAlert! are not responsible for the ...