Teflon was accidentally discovered in 1938 by DuPont chemists while they were trying to develop new refrigerants to replace ...

I have read with interest the letter in your issue of this evening under the heading "A Warning to Smoking Fathers." A similar instance of tobacco smoke acting like a slow poison ...

Alexei Navalny, Russia's most prominent opposition politician, is grappling with a mystery ailment in jail that could be some sort of slow acting poison and has lost 8 kg in weight in just over ...

Alexei Navalny, Russia’s most prominent opposition politician, is grappling with severe stomach pain in jail that could be some sort of slow acting poison, his spokeswoman said on Thursday.

Alexei Navalny’s Health ‘Critical’ After Suspected Prison Poisoning, ... using slow-acting poison which is applied through food,” Navalny ally Ruslan Shaveddinov told The Guardian on Friday.

MOSCOW, April 13 (Reuters) - Russia's most prominent opposition leader Alexei Navalny has lost 8 kg in jail and is suffering an illness that could be some sort of slow acting poison, his ...

Alexei Navalny, Russia's most prominent opposition politician, is suffering from a mystery ailment in jail that could be some sort of slow acting poison and has lost 8kg in weight in just over two ...