Key protein regulates immune response to viruses in mammal cells

Researchers have revealed the regulatory mechanism of a specific protein that plays a key role in balancing the immune response triggered by viral infections in mammal cells. These findings could help drive the development ...

Biologists determine bacteria sense damage to relatives

Carnegie Mellon University biologists have discovered that Vibrio cholerae, the bacteria behind the cholera disease, can sense when its relatives die. Bacterial cell death is often accompanied by lysis, where the cell explodes, ...

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Death

Death is the permanent termination of the biological functions that sustain a living organism. Phenomena which commonly bring about death include old age, predation, malnutrition, disease, and accidents or trauma resulting in terminal injury.

The nature of death has been for millennia a central concern of the world's religious traditions and of philosophical enquiry, and belief in some kind of afterlife or rebirth has been a central aspect of religious faith.

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