Feature Animals

Organisms age in myriad ways — and some might not even bother

Escape artists and suicidal reproducers offer clues to how senescence evolved

hydra

special report

Proyecto Agua/Flickr (CC BY-NC-SA 2.0)

By Susan Milius

- More than 2 years ago

The scene was stranger than it looked, even by Las Vegas standards: Two young men pull up in a U-Haul truck to a motel outside the city.