Lobsters Are Practically Immortal 😧

Scientific concepts / discoveries / nature phenomena

Biological immortality in lobsters (as described in the subtitles)

• Lobsters reportedly can keep living for extremely long periods if they continue to receive food and are not eaten/hunted.
• The example given is “Big John”, a lobster said to have lived at least ~140 years.

Why most cells stop dividing (human comparison)

• Human cells undergo limited divisions because chromosomes have telomeres at their ends.
• With each cell division, telomeres shorten, until the cell can no longer copy/replicate.

Mechanism enabling long-lived cell division in lobsters

• Lobsters have an enzyme called telomerase.
• Telomerase repeatedly repairs/heals telomeres, preventing the shortening limit.
• This allows cells to divide for a much longer time, supporting the idea that the body does not age as readily.

Cause of death framed in the subtitles

• Lobsters are described as not “naturally aging to death,” but instead dying mainly due to external factors, such as being hunted or eaten.

Researchers / sources featured (as stated)

• No specific researchers or scientific authors are named in the provided subtitles.