The Immortal Creatures of Earth and Space

TLDRDiscover the incredible resilience and longevity of glass sponges, lobsters, hydras, red sea urchins, giant tortoises, Greenland sharks, tardigrades, mayflies, jellyfish, giant wētā, planarians, clams, olms, and astronauts in outer space.

Key insights

Glass sponges can live up to 15,000 years and can control their aging process.

🦞Lobsters produce an unlimited number of enzymes that keep their DNA young forever.

🌍Hydras have the ability to renew their stem cells, slowing down their aging process.

🌊Red sea urchins only grow in size, not in age, and can reach around 100 years old or even 200.

🐢Giant tortoises can reach 200 years old, and one of the oldest known is Jonathan, born in 1832.

Q&A

How long do glass sponges live?

Glass sponges can live up to 15,000 years.

Do lobsters really not age?

Lobsters produce an unlimited number of enzymes that keep their DNA young forever.

Can hydras slow down their aging process?

Yes, hydras have the ability to renew their stem cells, slowing down their aging process.

How old can red sea urchins get?

Red sea urchins can reach around 100 years old or even 200, although they only grow in size, not in age.

What is the lifespan of a giant tortoise?

Giant tortoises can live up to 200 years, with the oldest known tortoise being Jonathan, born in 1832.

Timestamped Summary

00:00Glass sponges are unique creatures that can live up to 15,000 years. They have the ability to control their aging process.

05:52Lobsters are basically immortal. They produce enzymes that keep their DNA young forever.

01:21Hydras can slow down their aging process by renewing their stem cells.

01:49Red sea urchins only grow in size, not in age, and can reach around 100 years old or even 200.

02:16Giant tortoises can live up to 200 years, with the oldest known tortoise being Jonathan, born in 1832.