deepai Gravity feels reliable — stable and consistent enough to count on. But reality is far stranger than our intuition. In truth, the strength of gravity varies over the Earth’s surface. And it is weakest…
Free fall achieved on LISA Pathfinder
[caption id="attachment_7850" align="alignnone" width="625"] LISA Pathfinder operating in space[/caption] On Monday, the two cubes housed in the core of ESA’s LISA Pathfinder were left to move under the effect of gravity alone – another milestone…
Will we ever stop using fossil fuels?
Not without a carbon tax, suggests a study by an MIT economist. [caption id="attachment_7847" align="alignnone" width="639"] Christopher Knittel M. Scott Brauer[/caption] CAMBRIDGE, Mass. -- In recent years, proponents of clean energy have taken heart in the…
60 years after pioneering survey, Wisconsin prairies are…
[caption id="attachment_7839" align="alignnone" width="775"] Dewey Heights Prairie State Natural Area in Nelson Dewey State Park, located in Cassville, Wisconsin. PHOTO: AMY ALSTAD -[/caption] It was shortly after the end of World War II when John…
Blood Test Could Transform Tuberculosis Diagnosis
[caption id="attachment_7831" align="alignright" width="320"] Tuberculosis bacteria infect 9.6 new million patients each year. A new test developed at Stanford can accurately diagnose active cases of the disease. (Credit: Kateryna Kon/Shutterstock)[/caption] Researchers at the Stanford University…