An international team of researchers used multi-wavelength observations of active galactic nuclei to study how black holes ...

When health services are limited, mothers and children often do not receive life-saving medical care and with higher-risk ...

An international team of researchers used multi-wavelength observations of active galactic nuclei to study how black holes launch relativistic jets. The sixteen sources were observed with the Event ...

Discover simple techniques to improve your memory, from spaced repetition to visualization strategies that can be easily ...