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egrossman | June 4, 2014Where you live may be hazardous to your health. This is the conclusion of several recent reports and studies, among them a supplement to the most recent examination of health disparities by the US Centers for Disease Control and Prevention (CDC) and an analysis by the Environmental Justice and Health Alliance for Chemical Reform of those who live in communities most vulnerable to hazardous chemical exposures. Together the two paint a disturbing picture of how the neighborhoods in which Americans live and work play a significant role in determining their residents' health. There should be no…
edyong | October 25, 2009The most incredible eyes in the animal world can be found under the sea, on the head of the mantis shrimps. Each eye can move independently and can focus on object with three different areas, giving the mantis shrimp "trinocular vision". While we see in three colours, they see in twelve, and they can tune individual light-sensitive cells depending on local light levels. They can even see a special type of light - 'circularly polarised light' - that no other animal can.
But Nicholas Roberts from the University of Bristol has found a new twist to the mantis shrimp's eye. It contains a…
gregladen | February 21, 2009I know every computer box needs a CD/DVD reader in order to boot the thing up under adverse conditions (and your system should always be set up so that you can do this, by the way!). But as a matter of actual functionality, maintaining a current and high-functioning version of this sort of device, or two or more of them especially, built into the box is usually a bad idea for me. My computer boxes are not ever conveniently located. For my main computer, I can reach the off on switch with my toe, which is how I start up the machine. (The button is not needed to turn it off, of course.) So…