Hail the Hydra, an Animal That May Be Immortal

by Stephanie Pappas

In ancient Greek myth, the Hydra was a multi-headed monster that grew two more heads for every one that it lost. As it turns out, the real-life animal named after this mythical beast may be even more tenacious.

A new study finds that hydra — spindly, freshwater polyps — can live seemingly forever, without aging.

Unlike most multicellular species, hydra don’t show any signs of deteriorating with age, according to the new research, published Dec. 7 in the journal Proceedings of the National Academy of Sciences…

(read more: Live Science)

photograph by Dr. David Plachetzki, University of California

A Frozen Tardigrade, aka Water Bear, Has Been Brought Back to Life After 30 years!

And it hatched out 14 healthy babies…

by Bec Crew

A tardigrade that had been frozen solid for more than 30 years has been brought back to life by researchers in Japan, and has gone on to produce 14 healthy babies.

That’s record-smashing stuff right there, because before this tough little water bear came back to life, the world record for reviving a frozen tardigrade was nine years.

The researchers also thawed out an egg that was collected and frozen with the tardigrade in 1983, and not only did a healthy baby hatch from it six days later, but it went on to successfully produce offspring of its own…

(read more: Science Alert!)

photograph by Megumu Tsujimotoa et. al.

We all hide.
Opal, mexico. field of view 3mm
(A photomicrograph is an image taken with the aid of a microscope. Not to be confused with microphotography, which is photography using very small equipment.)