A device that can perform 3D ultrasound imaging with just one large piezoelectric ultrasound transmitter and receiver has been developed by researchers in the Netherlands. Most ultrasound imagers use ...

The scientific community has been divided since the 1970s as to which sort of forest offers more protection for biodiversity: a set of many small patches of forest, or a single large tract? A newly ...

It was a wildly popular, often chaotic and grimy tradition in the city of Erie for more than two decades. The city's yearly Single Large Item Collection program allowed city residents to jettison ...

To help address a housing shortage, Minneapolis became the first large American city to end single-family zoning, the rules that restrict certain neighborhoods to single-family homes. Now, buildings ...