left-handedness

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Elephant Wrinkles May Tell a Bigger Story
Elephant
Wrinkles
May Tell
a Bigger Story
NEW STUDY

Elephant Wrinkles May Tell a Bigger Story

New research suggests they show if an elephant is a righty or lefty

(Newser) - Elephants use their trunks for an impressive number of purposes, but researchers now realize that the wrinkled skin covering them isn't simply a wizened aesthetic. Per Smithsonian Magazine , new research published in Royal Society Open Science says that, among other things, trunk wrinkles may indicate whether an elephant is...

Teacher Makes 4-Year-Old Stop Writing With 'Evil' Hand

Pre-K student Zayde in Oklahoma thinks his left hand is 'bad'

(Newser) - A teacher scolded a 4-year-old student in Oklahoma over writing with his "bad" left hand, and then sent the boy's mother literature detailing how left-handedness is associated with wickedness and the devil. Alisha Sands, who is left-handed herself, says son Zayde has always used his left hand to...

It Turns Out Kangaroos Are Lefties

Red and eastern gray kangaroos are all left-handed, researchers find

(Newser) - Handedness (the preference for using one hand over the other for nearly all tasks) likely emerged in humans soon after we began to walk upright. And for years scientists have thought this trait belongs almost exclusively to bipedal primates, given it's never before been observed in quadruped creatures. Now...

When Exploring, Ants March to the Left, to the Left

Scientists are exploring this 'behavioral lateralization'

(Newser) - Roughly nine in 10 humans are right-handed, an example of "brain lateralization" that's pretty common among vertebrates—and now apparently invertebrates. Researchers in the UK are finding that even ants—which are invertebrates, meaning they have exoskeletons—carry an innate directional bias, in their case almost always turning...

5 Left-Handed Celebrities
 5 Left-Handed Celebrities 

5 Left-Handed Celebrities

They're said to be more creative than righties

(Newser) - Left-handed people are said to be more creative than right-handed ones—so is it any surprise that these nine celebrities rounded up by Biography.com are lefties? A sampling:
  • Robert De Niro: Number of Academy Awards? Two.
  • Angelina Jolie: Also an Oscar winner.

Survey: Left-Handed People More Satisfied in Bed

According to LELO, 86% put themselves in the 'extremely satisfied' category

(Newser) - If the results of a survey by a Swedish "intimate lifestyle product" manufacturer are to be believed, the left-handed among us are vastly more satisfied with our sex lives. As part of LELO's 2014 Global Sex Survey of 10,000 people, the company distinguished between righties and lefties,...

Bad News for Lefties: You Have More Health Risks

Left-handed people more likely to develop neural disorders

(Newser) - About 10% of the population is left-handed, but a disproportionate amount of people with schizophrenia—20%—are lefties. Schizophrenia is just one of a number of psychiatric and developmental disorders that are more common in left-handed people, including dyslexia, ADHD, language difficulties, and mood disorders. Researchers think this could have...

Most Parrots Are Lefties
 Most Parrots Are Lefties 
study says

Most Parrots Are Lefties

Like humans, they prefer one side over the other: Study

(Newser) - Parrots are left-handed … or at least, as left-handed as you can be when you don’t actually have hands. Australian researchers discovered that, like humans, nearly all parrots prefer to use one side of their body over the other: either their left eye and left foot, or right eye...

Lefties Finally Get Their Undies
 Lefties Finally Get Their Undies 

Lefties Finally Get Their Undies

Thanks to one genius store in Britain, left-handed men will no longer suffer at the urinal

(Newser) - Male lefties of the world have long suffered inconvenience and embarrassment at the urinal, thanks to their underwear. One British store is making up for the indignity with a new line of undies featuring a horizontal, rather than vertical, opening—giving Britain’s lefties an alternative to boxer shorts, Reuters...

Usefulness Keeps Left-Handed Trait Alive: Study

(Newser) - Left-handedness seems to have avoided the fate of similarly rare genetic traits—that is, extinction—because it’s so useful, a study finds. For instance, left-handers in earlier times had the advantage of surprise in fights with right-handers, AFP reports; they often used both hands well, while righties were overly...

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