The net effect or benefit for the animal is that the retina has two opportunities to receive the light, once when it is incident and next when the tapetum lucidum sends it back. As a result, the ...

When we hear that reindeer eyes change color, most of us think of the iris—the colored part of the eye. While reindeer ...

In some animals' eyeballs, a membrane called the tapetum (tuh-PEE-tuhm) sits behind the retina and reflects light back through it. If you've ever seen a cat's eyes seem to glow green at night ...

The research maps biofluorescence across 459 glowing fish species and shows just how varied the colors have become.

If someone says “You’re glowing!” you may be in love. Or, more likely, you’re a marine animal. It’s a separate process from biofluorescence, in which blue light hits the surface of an ...

Lake Natron is a soda lake in northern Tanzania with a volcanic geology that maintains the water's pH around 10.5, which is almost as caustic as ammonia. Some life-forms thrive there nevertheless.

6 Secret Superpowers Dogs Have That Humans Don’t first appeared on Parade Pets on Jun 29, 2025 This story was originally ...

The Hallelujah Mountains drift in the sky and look solid enough to touch if you dare to jump. This film took 3D and turned it ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... .</ ...

From a giant glowing octopus to a colorful peacock with changing feathers, this year’s celebration features an all-new display of illuminated sculptures for the whole family.

There’s a world of hidden meaning behind a cat’s gaze—one that can surprise, delight, and baffle even the most devoted feline ...