At least 15 percent of human females possess a genetic mutation that gives them an extra (fourth) type of color photoreceptor - and this allows them to discriminate between colors that look identical to the majority of us with a mere three types of color photoreceptors. (David Eagleman)

At least 15 percent of human females possess a genetic mutation that gives them an extra (fourth) type of color photoreceptor - and this allows them to discriminate between colors that look identical to the majority of us with a mere three types of color photoreceptors.

David Eagleman

Related topics

color extra fourth gives human identical least majority mere mutation three type percent photoreceptor colors

Related quotes

If there were a clear prospect that such evils were part of a barbarian past, then at least we might find a small crumb of comfort. No such prospect exists: no scientific analysis can even remotely answer or account for past and present horrors of human behaviour.

Simon Conway Morris

Fate gives all of us three teachers, three friends, three enemies, and three great loves in our lives. But these twelve are always disguised, and we can never know which one is which until we've loved them, left them, or fought them.

Gregory David Roberts

I am coming more and more to the conviction that the necessity of our geometry cannot be demonstrated, at least neither by, nor for, the human intellect... Geometry should be ranked, not with arithmetic, which is purely aprioristic, but with mechanics.

Carl Friedrich Gauss

All, too, will bear in mind this sacred principle, that though the will of the majority is in all cases to prevail, that will to be rightful must be reasonable; that the minority possess their equal rights, which equal law must protect, and to violate would be oppression.

Thomas Jefferson

We need a type of theatre which not only releases the feelings, insights and impulses possible within the particular historical field of human relations, but employs and encourages those thoughts and feelings which help transform the field itself.

Bertolt Brecht