Scientific explanation of geometric hallucinations: how the visual cortex creates these simple patterns, detailing causes from brain changes to vision loss and substances.
Mealworm larvae rely on rudimentary light sensors and antennae for navigation. See how this simple vision transforms into the complex compound eyes of the adult Darkling Beetle.
Transform heavy clay soil into rich, workable garden beds. Discover the right techniques for amendment, drainage improvement, and successful gardening.