They exhibit remarkable sensitivity, wide dynamic range and robust performance that compares advantageously with conventional enzyme-linked immunosorbent assay (ELISA). ELISA is the most widely ...

Russia and other hostile states have become increasingly brazen in adopting “gray zone” attacks against Europe and the United States, leaving defense officials with a dilemma: How to respond ...

Al Jazeera’s Moath al-Kahlout, one of the few journalists in northern Gaza, has been to the scene of an Israeli attack. Hamas tells news agencies it has approved a list of 34 captives to be ...