Like most countries, the United States does not have a comprehensive national system for monitoring diseases in companion animals, putting both pets and people at risk.
Ukrainian forces could try to advance further into Russian soil, or return to the front lines, where Moscow is making progress. There are arguments for various options.
The Palestinian Authority said one person had been shot dead; the Israeli military said it was investigating and condemned the attack, as did Israel's prime minister.
In one experiment that defied expectations, implants in a patient’s brain were able to recognize the words he tried to pronounce, and artificial intelligence helped him produce sounds that closely matched his real voice.
An advocacy group, Peace Now, said Israel was accelerating new claims on West Bank territory in an attempt to prevent the creation of a Palestinian state.
The virus is evolving, with the newer version spreading more often among heterosexual populations. Sweden has reported its first case outside of Africa.
The reality of 130,000 displaced Russians and the chaotic official response may begin to undermine the official line that Russia is steadily moving toward victory.