NPR Podcast 영어회화 영어스피킹 스터디 DAY 2
NPR Podcast
Short Wave
A microbiologist explains why we age and die
*aftermath (전쟁·사고 등의) 여파[후유증]
They will be all over this election and its aftermath, too.
What do we and all animals, plants, living things have in common, no matter desperate we try to escape it?
It's a peculiar situation.
*molecular biologist 분자생물학자
*criteria: criterion의 복수형, (판단이나 결정을 위한) 기준
*details aside 세부적인 부분은 제쳐두고
+) So technical details aside, two main problems are emerging.
*luck out 운이 좋다
You lucked out genetically.
+) Wow, you're so tall! You really lucked out genetically.
*life expectancy 기대수명
Life expectancy has increased on average.
No one is living past 100 and something.
The oldest living person went around 120.
We really have to tackle why we age.
*wear and tear (일상적인 사용으로 인한) 마모
We have so many cells that it's better like to lose them.
*secrete 분비하다, (특히 작은 것을) 감추다[은닉하다]
They secrete this inflammatory compound to signal to the body.
*senescence [sɪˈnesns] 노쇠, 노화
So either the cells die or they get sent into a state called senescence.
*senescent 늙은, 늙어가는, 노경(老境)의
We start producing more senescent cells.
*vicious 잔인한, 포악한, 악랄한 (=brutal) It's a vicious cycle.
*alter 변하다, 달라지다
One way DNA gets altered is through that replication process.
A microbiologist explains why we age and die : Short Wave
Humans have seen a significant increase in life expectancy over the past 200 years — but not in overall lifespan. Nobody on record has lived past 122 years. So, for this early Halloween episode, host Regina G. Barber asks: Why do we age and why do we die
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