ADVERTISEMENT
  About the SA Blog Network

Posts Tagged "eye"

Bering in Mind

You Disgust Me: Does Bad Behavior Really Make Us Feel Unclean and Nauseated?

Research shows that people feel dirty after contemplating crimes

Keep reading »
Observations

Jimmy Carter Fights to Eliminate Eye Disease That Plagued His Childhood

Pres

Former U.S. President Jimmy Carter was at Pfizer Headquarters in Manhattan on November 5th to honor the 15th anniversary of the International Trachoma Initiative (ITI), a non-for-profit program dedicated to eliminating the eye disease as a public health concern by 2020. Trachoma is a bacterial infection, often spread by houseflies, and it stands as the [...]

Keep reading »
Observations

FDA Approves First Retinal Implant

retina,implant,artificial

The Food and Drug Administration (FDA) Thursday approved the first retinal implant for use in the United States. The FDA’s green light for Second Sight’s Argus II Retinal Prosthesis System gives hope to those blinded by a rare genetic eye condition called advanced retinitis pigmentosa, which damages the light-sensitive cells that line the retina. For [...]

Keep reading »
Observations

Giant Eyes Help Colossal Squid Spot Glowing Whales

giant squid eye

Giant and colossal squid can grow to be some 12 meters long. But that alone doesn’t explain why they have the biggest eyeballs on the planet. At 280 millimeters in diameter, colossal squid eyes are much bigger than those of the swordfish, which at 90 millimeters, measure in as the next biggest peepers. “It doesn’t [...]

Keep reading »
Octopus Chronicles

Unusual Offshore Octopods: Telescope Octopus Has Totally Tubular Eyes

telescope octopus

Big eyes can be a big benefit—allowing an animal to see potential prey and predators coming from a wider field. For the octopus, this is especially important in the open ocean, where knowing what is around—or above or below—you is crucial for survival. One type of octopus has taken a different approach to wide-angle vision. [...]

Keep reading »
Octopus Chronicles

Unusual Offshore Octopods: The See-Through “Glass” Octopus [Video]

glass octopus

Octopuses that live in the deep open ocean are difficult enough to find. But try locating a “glass” octopus, which is nearly transparent. Floating in the dim midwaters, this gelatinous octopod looks almost like a be-suckered jellyfish. Rather than camouflaging like most known octopus species, the Vitreledonella richardi has taken this alternative approach to hide [...]

Keep reading »
Streams of Consciousness

An Artist Reveals How He Tricks the Eyes

deli in poughkeepsie

A few years ago, James Gurney, a celebrated artist and author, stood before his easel to paint a deli in Poughkeepsie. Surveying the scene before him, he was immediately overwhelmed with literally millions of details. People strolled by. Insects fluttered overhead. Signs poked out from the store and up from the street. Every tree had [...]

Keep reading »
Symbiartic

SciArt of the Day: Eye Heart Yew

Eye_Heart_Yew-lismitchell-m

Everyone loves a rebus!  It all began with a painting of crumpled paper and an eyeball. You’re welcome for this look into Lis Mitchell’s creative mind. – - Eye Heart Yew by Lis Mitchell / Pixelfish 2002, digital painting. For more about this painting, see Elizabeth’s DeviantArt entry. Portfolio Gallery Blog DeviantArt Twitter: @pixelfish – [...]

Keep reading »

More from Scientific American

Scientific American Dinosaurs

Get Total Access to our Digital Anthology

1,200 Articles

Order Now - Just $39! >

X

Email this Article

X