The average life expectancy has increased dramatically in Nigeria. A male child born in 1900 could expect to live for only 46 years, whereas one born today can expect to live more than 72 years. A ...

Light has always been the ultimate tool for etching information into silicon, but a new class of materials that can bend and ...

The Pennsylvania Department of Agriculture, 866-366-3723, uses a risk-based inspection reporting process for restaurants and other food handlers.