Even cellular components need good roads to travel along. This image shows key components of the cytoskeletal road map labeled in red, blue, and green. Even cellular components need good roads to ...
Are you wondering if this insect – known as a wandering violin mantis – takes requests? Probably not, because it’s named not for the sounds it makes but for the shape of its body, which resembles a ...
These teal corkscrews are Treponema pallidum – the bacterium that causes syphilis. Syphilis is a sexually transmitted infection, but if left untreated it can affect other areas of the body, including ...
Butterflies and moths evolved a proboscis like the one pictured here long before humans invented drinking straws. However, both serve the same purpose: getting that last drop of sweet liquid from the ...
Cell division is the process of a cell splitting into two genetically identical daughter cells. The actin protein seen in this video is essential for successful cell division. While actin has several ...
Sensory neurons are the cells of the nervous system that gather information from the environment and send it to the spinal cord, and in most cases on to the brain. While there are many different types ...
Zebrafish are vertebrates – they have a bony spine containing a spinal cord. The spinal cord passes signals from the brain to the rest of the body and vice versa. Blood never actually contacts the ...
Praying mantises have mastered the art of how not to be seen. Their camouflage has both defensive and offensive applications – it helps them avoid being preyed upon, and it also helps them sneak up on ...
Beauty is all around us. It is everywhere our eyes can see – in the breathtaking majesty of snowcapped mountains, in the tranquil shores of tropical beaches, and in the faces of those we love. But ...
Cuttlefish are cephalopods, like squid and octopuses. The term cephalopod comes from Latin words that mean “head” and “foot” – which is apt, since the tentacles of these creatures, which help them ...
This is a cross section through the eyes of a harvestman – more commonly known as a daddy longlegs. This arachnid is often misidentified as a spider, but it belongs to its own biological order, ...
This adult luna moth has a very penetrating gaze. These moths are quite large, and their caterpillars produce silk shortly before the pupa stage of their development. Get a closer view of the image ...