Source: NASA Video @ YouTube
“The Landsat satellites have also proved to be very useful, particularly for trying to do more detailed, finer-scale risk mapping.”
—Dr. Michael Wimberly, Landscape Ecologist, South Dakota State University on using satellite imagery to fight West Nile Virus by creating weekly risk assessment maps

STELLA: A DIY Handheld Scientific Instrument
If you are looking for a do-it-yourself (DIY) handheld spectrometer, you need to meet STELLA. STELLA (Science and Technology Education for Land/Life Assessment) is a portable scientific instrument developed by