Preliminary analysis rules out a lab leak as the cause of an African swine fever outbreak that has rocked Spain's lucrative pork industry, but further tests are needed, authorities said Tuesday.

Random lasers can be made simply by grinding a laser crystal and optically pumping the resulting powder. The physics behind the resulting laser emission is rich but has led to much controversy. New ...

The nursery admission process for schools in Delhi is set to commence on December 4th. Parents can submit applications online at all participating schools, which aims to simplify the process and ...