Archive: Mar 2015

This is an image of a small artery in a mouse eyelid that has formed a thrombus (blood clot). When a blood vessel is damaged, chemicals that attract platelets are released from the site of injury. Platelets in the flowing blood stick to the site, and in…

Certain types of life-threatening bacteria are no longer killed by current antibiotics, creating a need to develop new compounds to fight them. Scientists have been studying proteins produced by animals and humans, called cationic antimicrobial peptides…

In many elementary schools, students are introduced to the idea that rats spread one of the deadliest diseases in human history – the Bubonic plague. It was told in history classes that rats carried fleas, which carried the bacteria responsible for the…

Image by Don W. Pottle This is an image of crystals of aspirin with caffeine.   An Excedrin tablet was crushed in water and allowed to dissolve.   Drops of the solution were placed on a glass microscope slide and allowed to dry.  Examining and…

Image Credit: Kristen Seim Jane eats organic foods, avoids plastic containers and switched to plant-based shampoo and cosmetics.  “You have no idea how clean my home is, but I still don’t feel protected,” Jane told me. Like many other expectant mothers,…

As your eyes close, a kaleidoscopic vision of pattern, color, and sense of deep meaning engulfs your entire field of experience. Thirty minutes ago you were given a controlled dose of a highly potent, and highly illegal, hallucinogenic compound—all in…