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  • Given the racialized violence we have seen in our country, it is clear the civil rights

  • movement is NOT over and America is still plagued with racist ideology. But what does

  • science say about race? What if science could help us erase racism once and for all?

  • Hey everyone! I’m Natalia Reagan back at it again at DNews!

  • First of all, it’s time that we start teaching our kids as soon as they can talk (and adults

  • for that matter!) that there is no biological basis for racial classification! In terms

  • of biology, race doesn’t exist. That’s not to say race isn’t real! Though, it’s

  • important to understand that it’s a cultural construct, that humans created and has nothing

  • to do with our biology! There are no distinct genetics boundaries for the groups commonly

  • called races. Traditionally, scientists have usedraceto refer to a subspecies,

  • and what determines a subspecies from species varies among taxa. But in humans, there are

  • no distinct genetics boundaries for the groups commonly called races and we have only .1%

  • variation within our species versus chimpanzees which have .7% variation. Now, there IS genetic

  • variation within and between populations but it is quite small. And the most amount of

  • genetic variation found within our species isn’t between those of European and African

  • ancestry, it’s between various populations within Africa. This is called thefounder

  • effector a “reduced genetic diversity in a population founded by a small number

  • of individuals”.

  • Scientists refer to races aspopulationsorethnic groupsAnd many of the physical

  • characteristics that are associated with race are due to adaptations to climate and environment.

  • This can include skin color, height, nose shape. These slight morphological differences

  • are called clines- they are genetic adaptations to the environment over time and a geographic

  • area. As biological anthropologist Todd Disotell says, ‘it’s about clines not clades!’

  • Meaning that the variations between populations of our species are rather small versus being

  • another branch in the olevolutionary family tree.

  • There is also the idea that certain races are more susceptible to certain illnesses,

  • such as heart disease and diabetes in African Americans. However, extensive research has

  • shown that these illnesses are highly correlated with diet, stress, and socioeconomic standing-

  • thus, it’s a lot more complex than just saying certainracesare more likely

  • to suffer from certain illnesses than others.

  • Ok, weve established that race as a scientific concept does not exist, so if race doesn’t

  • exist then WHY are people racist? Are we born to be wary ofthe otheror is this learned

  • behavior? Biological anthropologist Robert Sussman’s tackles the history of racism

  • and the concept of race in his bookThe Myth of Race”. He stresses that racism is

  • a learned behavior or ideology that can be avoided if parents teach their children to

  • be open and tolerant. Sussman also discusses the history of racism stating thatconcept

  • of human races began during the Spanish Inquisition (around 1480), when a purity of blood decree

  • was established and those converting to Christianity (or converses) needed to prove their Christian

  • origins.” Searching forpure bloodis a ridiculous idea considering there has

  • never been a point in time when any population could be considered 'pure'. This ideology,

  • rooted in a racist political and religious agenda, continued on and was used by the Nazis

  • to justify their goal to create anAryan Racewhich led to the murder of 6 million

  • Jews and millions of others who were deemed inferior- including gypsys, homosexual and

  • transgender individuals. But what if the Nazi agenda worked? Sure we would probably all

  • speak German, but we might also have a population of people who are consideredpurerin

  • terms of lower genetic diversity. But low genetic diversity is usually the result of

  • long-term inbreeding. So, we’d have a population of inbreds that would also inherit a slew

  • of genetic ailments associated with inbreeding. Yeah. How’s that for the not-so-fabulous

  • result of geneticpurity’?

  • And guess what!? Genetic diversity is actually good for us! It leads to robust and healthy

  • offspring, and who doesn’t want that?

  • Scientifically speaking, there’s only one race- the human race! Were all pretty much

  • the same. And if you want to know more about what science says about race, ethnicity, and

  • evolution, check out Trace's series on TestTube Plus.

  • It's a great discussion on his new show, so I really recommend you check it out. It's

  • the first link in the description if you're on mobile.

  • Got any burning questions you wanna ask us or other science topics you want us to cover?

  • Leave them in the comments below, and don’t forget to subscribe for more DNews every day

  • of the week.

Given the racialized violence we have seen in our country, it is clear the civil rights


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B1 中級

人種差別の科学 (The Science Of Racism)

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    羅紹桀 に公開 2021 年 01 月 14 日