Armed with GPS-enabled iPads and infrared surface temperature thermometers, students in an urban high school in Pennsylvania fan out on their school property to take temperature readings of grass...
READ MOREFor years, scientists have known that human activities that burn fossil fuels like coal and oil are pumping carbon dioxide (CO2) into the atmosphere much faster than it is removed by natural...
READ MOREKenneth Kodama knows that rocks retain a faithful record of the magnetic field, a fact that has had a tremendous variety of applications, including the reconstruction of continental positions...
READ MORE