Parasites such as worms and viruses change the way a person or animal’s ... Strong immunity may play a key role in determining long life, but may do so at the expense of reduced fertility, a Princeton ...

Scientists have brought a 46,000-year-old worm ... life”) is when an organism can slow down its metabolic activity to virtually zero, allowing it to exist in a state of suspended animation ...

Consider the life of a nematode: Caenorhabditis elegans, a diminutive, soil-dwelling, hermaphroditic worm that has had its ... mice into a state of suspended animation. Roth and his colleagues ...

Scientists have brought a 46,000-year-old worm ... life”) is when an organism can slow down its metabolic activity to virtually zero, allowing it to exist in a state of suspended animation ...