Bower Birds are Awesome can you believe all this work for a mate? wow
"A white blood cell (purple) engulfs Staphylococcus aureus bacteria (yellow)." From The Scientist
The irrelevance of Violet
Blog: Medium: On living with colour-blindness and mowing the lawn in purple slacks
Gallery: Trippy Photos Reveal Beauty in Science
Credit: Robert Rock Belliveau, MD - This 2011 honorable mention photo is the skin of an immature cucumber, magnified 800 times. These structures are called "trichomes," and they act as little spears, protecting the young vegetable from plant-eaters. The lower part of the trichomes contains bitter, toxic chemicals that make herbivores go "ick!"
Los parásitos son organismos que invaden el cuerpo y se alimentan de los nutrientes y la sangre para vivir.