Secret new weapon of insect-transmitted viruses exposed

Findings by a team of scientists, including two from the University of California, Riverside, could provide critical knowledge to attack deadly viruses transmitted by arthropods such as mosquitoes and aphids.

Ricin only lethal in combination with sugar

The plant toxin ricin is one of the most poisonous naturally occurring proteins, making it an extremely dangerous bioweapon. Ricin attacks have made headlines a number of times over the years, including the spectacular "umbrella ...

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