'Doomsday Clock' closer to midnight than ever

The Doomsday Clock on Thursday ticked down to 100 seconds to midnight, symbolizing the greatest level of peril to humanity since its creation in 1947 as the threat posed by climate change and a growing nuclear race loomed ...

Protein injections in medicine

Pathogens can use a range of toxins to damage their host organism. Bacteria, such as those responsible for causing the deadly Plague, use a special injection mechanism to deliver their poisonous contents into the host cell. ...

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