killer

Now metal surfaces can be instant bacteria killers with new laser treatment technique

Now metal surfaces can be instant bacteria killers with new laser treatment technique

Bacterial pathogens can live on surfaces for days. What if frequently touched surfaces such as doorknobs could instantly kill them off?
Name Your Poison: Exotic Toxins Fell Kremlin Foes

Name Your Poison: Exotic Toxins Fell Kremlin Foes

The apparent poisoning in Britain of a Russian man who spied for the United Kingdom has refocused attention on toxic attacks carried out against Kremlin foes. Here is a closer look at various poisons thought to have been involved in prominent cases.
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