A Ukrainian official said Kyiv was responsible for the assassination in Moscow of Gen. Igor Kirillov, the chief of Russia’s radioactive, chemical and biological defense forces. By Anton ...

A Ukrainian official said Kyiv was responsible for the assassination of Gen. Igor Kirillov, the chief of Russia’s radioactive, chemical and biological defense forces. By Anton Troianovski and ...

Finding mates or food in the presence of turbulence is challenging because odors constantly switch on and off unpredictably. As a result, it is unclear whether animals couple odor to other sources of ...

From Harry Potter and Lord Voldemort to Professors Dumbledore and McGonagall, the strongest witches and wizards left their ...

Longitudinal patient registries generate important evidence for advancing clinical care and the regulatory evaluation of ...

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