Arsenic occurs naturally in the environment, but it is also one of the most commonly found heavy metals in wastewater, deposited there by inappropriate disposal and arsenical pesticides, for example.
Transmitted by a sandfly one-third the size of a mosquito, parasitic Leishmania protozoa are responsible for a flesh-destroying disease that kills an estimated 20,000 people per year. Two new studies offer understanding of how the parasite provides immunity through persistence and why some people suffer more virulent forms of the disease.
Greetings all. Before I get into the tutorial, I would like to mention that I am fairly new to Null Byte (been lurking for some time though), and what really appeals to me about this place is its tight, family-like community where everyone is always willing to help each other and the constant search for knowledge that inhabits this subdomain is a driving motivator for me to join in. I'm glad I arrived at the right time. Anyway, wipes tears (not really)...
Take a close look at the image above. These bugs spread a deadly parasite that infects thousands of people each year. They also live in the US, and it's important to know where they are and whether you need to worry that they're carrying a dangerous infection.
Unlike VR, when you're talking about augmented reality, describing what an experience is like can be incredibly difficult — primarily because the experiences are even more contextual than relatively static virtual worlds that don't involve real-world settings.
