Episode
Selects: Why Do Lefties Exist?
49:46
Published: Sat Nov 27 2021
Description
For at least the last 200,000 years, between 10-15% of the human population are left-handed and this fact has utterly left science baffled. In searching to explain handedness, all sorts of contradictory evidence has emerged, creating a fascinating mystery. Learn all about it in this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Chapters
Learn practical tips on buying vs. renting, maximizing your income potential, saving money at the grocery store, and battling money anxiety.
00:00 - 01:48 (01:48)
Summary
Learn practical tips on buying vs. renting, maximizing your income potential, saving money at the grocery store, and battling money anxiety. This podcast aims to help listeners make smart money decisions in the current economic environment.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
Hand dominance is a widely accepted concept, however, studies suggest that the use of both hands may be necessary to perform certain tasks effectively.
01:48 - 06:03 (04:14)
Summary
Hand dominance is a widely accepted concept, however, studies suggest that the use of both hands may be necessary to perform certain tasks effectively.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
The stigma associated with left-handedness may have developed from the practical difficulties lefties faced in a world designed for righties.
06:03 - 10:05 (04:02)
Summary
The stigma associated with left-handedness may have developed from the practical difficulties lefties faced in a world designed for righties. In cultures that eat with their hands, using the left hand is often considered taboo.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
There were two mutations, one about 200,000 years ago and the other between 20,000-100,000 years ago, that resulted in a preference for right-handedness and the localization of the language center to the left hemisphere of the brain.
10:06 - 17:32 (07:25)
Summary
There were two mutations, one about 200,000 years ago and the other between 20,000-100,000 years ago, that resulted in a preference for right-handedness and the localization of the language center to the left hemisphere of the brain.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
A podcast about practical money topics briefly discusses evidence found on the skeletons of early humans and Neanderthals that suggests a right-hand preference, which could have developed from using spears and other tools.
17:32 - 23:52 (06:20)
Summary
A podcast about practical money topics briefly discusses evidence found on the skeletons of early humans and Neanderthals that suggests a right-hand preference, which could have developed from using spears and other tools.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
The way our brains are wired is linked to handedness, with left-handed and right-handed individuals showing differences in brain structure and function.
23:52 - 31:41 (07:49)
Summary
The way our brains are wired is linked to handedness, with left-handed and right-handed individuals showing differences in brain structure and function. While handedness is a mostly human trait, some animals, such as cats, have also been found to show preferences for using one paw over the other.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
Research suggests that left-handed people may process language in both hemispheres of the brain, leading to quicker and more efficient thinking.
31:41 - 37:06 (05:25)
Summary
Research suggests that left-handed people may process language in both hemispheres of the brain, leading to quicker and more efficient thinking. This may explain why some left-handed people talk more than right-handed people.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
Left-handedness in combat might not be an evolutionary advantage, but it can provide an unexpected edge to those who use it.
37:06 - 40:02 (02:56)
Summary
Left-handedness in combat might not be an evolutionary advantage, but it can provide an unexpected edge to those who use it. The prevalence of left-handed people may not have increased over time due to selection, but rather due to the element of surprise in combat.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
The culture’s right-hand bias is seen in the design of everyday objects, prejudice in language and ignorance of plagues that have affected that population.
40:02 - 45:14 (05:12)
Summary
The culture’s right-hand bias is seen in the design of everyday objects, prejudice in language and ignorance of plagues that have affected that population. Moreover, efforts to force kids to become right-handed have made them a less pronounced copy of themselves.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
The speaker provides a tip on finding relevant information on websites like stuffyousshouldknow.com and howstuffworks.com by using the control F and web browser search options.
45:14 - 47:50 (02:36)
Summary
The speaker provides a tip on finding relevant information on websites like stuffyousshouldknow.com and howstuffworks.com by using the control F and web browser search options. He also shares that he was pleasantly surprised by the non-biased view of evolution presented on the podcast.
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
Join host Jay Shetty as he interviews some of the hottest artists in the industry such as Cardi B, Lil Durk, and Yo Gotti about their personal love lives, journeys, and inspirations to make a difference in the world.
47:50 - 49:44 (01:54)
Summary
Join host Jay Shetty as he interviews some of the hottest artists in the industry such as Cardi B, Lil Durk, and Yo Gotti about their personal love lives, journeys, and inspirations to make a difference in the world.