Injecting drug users have poor access to HIV services
The provision of HIV prevention services for injecting drug users, which is essential to contain the spread of HIV, is inadequate in most countries around the world and presents a critical public health problem, according to an Article published Online First in The Lancet.They won’t see you coming: the XAI Laser Mouse with LCD
What do people look for in their gaming mice? We recently spoke with SteelSeries about the company's distrust of DPI as the last word in mouse quality. The company's XAI Laser Mouse reflects this philosophy when it comes to design: the mouse is unpretentious, functional, and features software that will help you learn to use the mouse to its fullest.
That software is the secret of the XAI Laser Mouse—if you're not a mousing pro or you don't understand all the tweaking that can go you into your mouse settings, it will hold your hand through the process. If you're already a demanding gamer, it will make it simple for you to set up the mouse exactly how you like it. Oh, and there's also a screen on the bottom of the mouse. Let's take a look at the hardware and software.
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Canon announces four new additions to Powershot line
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My oil droplet is smarter than your lab mouse
One of the images that says "science experiment" to the public is that of a rat finding its way through an experimenter's maze. We tend to associate the ability of rats to quickly solve mazes with their navigational skills and intelligence. Mazes also present an interesting challenge to robotics researchers, who can use them to test the navigation skills of their creations. But, as it turns out, some mazes can be navigated without all that much in the way of smarts.
A team of chemists and chemical engineers from Northwestern University have developed an oil droplet that is capable of running through a simple maze, running along the optimal path no less. With no need for food, the oil drop found its way thanks to a combination of a surface active chemicals and a pH gradient that is present in the maze.
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