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Posts tagged abilities
100 Very Cool Facts About The Human Body – Part III
Sep 24th
Bodily Functions
We may not always like to talk about them, but everyone has to deal with bodily functions on a daily basis. These are a few facts about the involuntary and sometimes unpleasant actions of our bodies.
sneeze
- Sneezes regularly exceed 100 mph. There’s a good reason why you can’t keep your eyes open when you sneeze–that sneeze is rocketing out of your body at close to 100 mph. This is, of course, a good reason to cover your mouth when you sneeze.
- Coughs clock in at about 60 mph. Viruses and colds get spread around the office and the classroom quickly during cold and flu season. With 60 mph coughs spraying germs far and wide, it’s no wonder.
- Women blink twice as many times as men do. That’s a lot of blinking every day. The average person, man or woman, blinks about 13 times a minute.
- A full bladder is roughly the size of a soft ball. No wonder you have to run to bathroom when you feel the call of the wild. The average bladder holds about 400-800 cc of fluid but most people will feel the urge to go long before that at 250 to 300 cc. More >
Weirdest Diseases – Part III – Werewolf Syndrome
Jul 1st
The Wolf Boy, Living Werewolf or Dog-Faced Boy have been fixtures of the sideshow world for centuries.
Jo-Jo, the Dog-Faced Boy is likely the most famous of the lot however cases of hypertrichosis have been reported and documented long before Jo-Jo.
Hypertrichosis is really a blanket medical term that refers to excessive body hair. It can actually be generalized, symmetrically affecting most of the torso and limbs, or localized, affecting only a small area or location. The term is, however, usually reserved to refer to very above-average amount of normal body hair that is unwanted.
Nearly all the skin of the human body – with the exception of the palms and soles of the feet – are covered with hairs or hair follicles. More >
Extraordinary Human Abilities – Part 3: Absolute pitch
Jun 26th
Absolute Pitch, or Perfect Pitch, is the ability to name or reproduce a tone with nothing but your mind.
People with absolute pitch are capable of identifying and reproducing a tone without needing a known reference.
It is not simply a better ability to hear but the ability to mentally class sounds into remembered categories. Examples of this include identifying the pitch of everyday noises (e.g. horns, sirens, and engines), being able to sing a named note without hearing a reference, naming the tones of a chord, or naming the key signature of a song.
Doing any of these is a cognitive act – it requires one to remember the frequency of each tone, be able to label it (e.g. ‘A’, ‘C#’, or ‘F-flat’), and sufficient exposure to the range of sound within each label. Opinions vary as to whether absolute pitch is genetic or a learned ability that is strongly influenced to one’s exposure to music at crucial developmental stages – much like how a child’s ability to identify colors by their frequency depends on the type and level of their exposure to it. More >
Extraordinary Human Abilities – Part 2: Echolocation
Jun 25th
Echolocation is how bats fly around in dark forests – they emit a sound, wait for the echo to return, and use that sound of the echo in each ear plus the return time to work out where an object is and how far away. Surprisingly (well, maybe not on this list!), humans are also capable of using echolocation. Use of echolocation is probably restricted to blind people because it takes a long time to master and heightened sensitivity to reflected sound.
To navigate via echolocation a person actively creates a noise (e.g. tapping a cane or clicking the tongue) and determines from the echoes where objects are located around them. People skilled at this can often tell where an object is, what size it is, and its density. Because humans cannot make or hear the higher pitched frequencies that bats and dolphins use they can only picture objects that are comparatively larger than those ‘seen’ by echolocating animals.
People with the ability to echolocate include James Holman, Daniel Kish, and Ben Underwood. Perhaps the most remarkable and well-documented of cases is the story of Ben Underwood, who lost both his eyes to retinal cancer at the age of three. He is shown in the video below (warning: the scene where he puts in his prosthetic eyeballs maybe a bit disturbing for some).
Still, it is worth checking it out!
Extraordinary Human Abilities – Part 1: Eidetic memory
Jun 24th
When a person has photographic memory or total recall this is called eidetic memory.
It is the ability to recall sounds, images, or objects from one’s memory with extreme accuracy. Examples of eidetic memory include the effort of Akira Haraguchi who recited from memory the first 100,000 decimal places of pi and the drawings of Stephen Wiltshire (who is an autistic savant) – his recreation of Rome is shown in the video below.
Stephen Wiltshire
Kim Peek, the inspiration for the autistic (Peek is not actually autistic though) character of Raymond Babbit in the movie Rainman, also possesses eidetic memory – among other things he can recall some 12,000 books from memory.
Whether true photographic memory exists in adults is still a controversial issue, but it is accepted that eidetic abilities are distributed evenly between men and women. One also cannot become an eidetiker through practice.
Stephen Wiltshire has been called the “Human Camera”. More >
