Ukraine-Russia war latest: Putin ‘demanded Kyiv surrender key territory’ in call with Trump

Putin ‘demanded Kyiv surrender key territory’ in call with Trump - The Russian president reportedly wants Kyiv to give up ...
Live Science on MSN

Science history: Scientists use 'click chemistry' to watch molecules in living organisms — Oct. 23, 2007

Carolyn Bertozzi and colleagues laid out a way to make paradigm-shifting "click-chemistry" compatible with living cells, ...