The 3 best predictors of how well you’ll age - Juulia Jylhävä
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Subtitles (79 segments)
DownloadIf you want to learn a fish’s age,
simply take one of its scales
and count the number of bands radiating from its center.
For trees, you can count their rings; for narwhals, their tusk layers;
and for blue whales, their layers of earwax.
When it comes to humans,
scientists have yet to find any visible traits that mark our age
with anywhere near the same specificity.
Full subtitles available in the video player
Key Vocabulary (12)
To make someone or something different or to become different. It can also mean to stop using one thing and start using another, such as putting on different clothes.
The whole physical structure of a person or animal, including the bones, skin, and internal organs. It is used to describe the entire physical being of a living or deceased entity.
Health refers to the state of being free from illness or injury, encompassing physical, mental, and social well-being. It is used to describe how well a person's body or mind is functioning overall.
unlike
"Different colors."
Relating to biology or living organisms and their processes. It is also used to describe a parent who is related by blood rather than by adoption.
Age refers to the amount of time a person has lived or an object has existed. It is also used to describe a particular period in history or a stage of life.
"The age is important."
Grammar in This Video
"If you want to learn a fish’s age, simply take one of its scales"
"once telomeres get too short, cells lose their ability to replicate"
"By measuring DNA methylation patterns from hundreds or thousands of these sites"
"it could be due to repeated encounters with pathogens"
"the addition of individual molecular tags called methyl groups"
"identify telomere length as a promising, albeit imperfect, marker of aging"
"it could be due to repeated encounters with pathogens"
"The first of these markers was discovered in the 1990s. Telomeres are repetitive..."
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