Browsing: Lens_biology

Last week, we asked you to pick out human eyes from animal eyes that look similar. It was probably harder than you expected. This week’s eyeball challenge, again courtesy of some great photographs by Suren Manvelyan, might be even harder. Can you tell which very inhuman-looking eyes (bigger images below) belong to which animals?  Here’s […]

Any self-respecting pet owner will confidently claim that their dog or cat (or rabbit, or gerbil) seems sentient, exhibiting a distinct temperament and emotional responses. I know my many beloved pets over the years could feel pain, and fear, as well as love and trust. But are our pets truly conscious creatures? Or are we […]

When an enormous four-finned fish surfaced in a South African fisherman’s catch in 1938, scientists were fascinated by its resemblance to fossilized creatures that had died out millions of years ago. The fish, called a coelacanth, turned out to be the first descendant of those organisms ever spotted by humans. The two living species identified […]

People place incredible importance on their eyes. They’re arguably our default tool for perceiving the world, and one of the primary ways we remember and describe one another. Your eye color is on your birth certificate, driver’s license, and online dating profile. Those who make eye contact are considered more competent, friendlier, and more professional. Online […]

In the next war, instead of a soldier going on a reconnaissance mission into enemy territory, consider this possibility: a cloud of “micro air vehicles,” flying cyborgs, with built-in cameras and microphones, that could be guided by remote control. What military commander wouldn’t want that? DARPA, the research wing of the Department of Defense, has […]

We’re used to the idea that some among us are colorblind, perceiving the world differently because of a quirk in their genetics. And it’s well-known that teenagers and young adults can hear high-pitched sounds that their elders cannot, an ability that’s been exploited by manufacturers of The Mosquito, an anti-loitering device that annoys youth into leaving. […]

Changing the human body, one invention at a time.

We consume unlike any other.

Some of our most cherished traits are shared by other animals—and even plants.

Where we part ways with our ape cousins.