Muscles are formed by the merging of many small myoblasts into larger myofibers. This fusion of mononucleated myoblasts with a single nucleus into multinucleated myofibers with multiple nuclei is an ...

Imagine living your life with a 10-foot–long straw fastened to your face, like this acorn weevil does. That protrusion, called a rostrum, is highly useful for the weevil, however, allowing it to feed ...

There’s no need to call the fire department. This fiery column is merely the top of a flower’s pistil. The orange structures you see within the blue outline are called xylem. There’s no need to call ...

Enzymes called RNA polymerases transcribe DNA into RNA. RNA is the intermediary that carries the information contained within DNA to the ribosomes, where the genetic information is synthesized into ...

Measure and monitor HHMI’s institutional greenhouse gas emissions at the two campuses we operate and look for strategies on greenhouse gas reduction at both campuses. Harness the tremendous community ...

Actin proteins group together to form a network of thin filaments that spread throughout a cell. This actin network is dynamic, meaning that the filaments can either grow or shrink to fit the ...

Actin proteins group together to form a network of thin filaments that spread throughout eukaryotic cells. These filaments are involved in giving the cell its structure, allowing the cell to move, and ...

This section of a geometer moth antenna is obviously not a true nose, as we think of that organ, but these moths do use their antennae to detect odorants and other chemicals in the air. Their antennae ...

There is an undeniable connection between a pregnant individual and their fetus, an unseen bond that is difficult for anyone who has not experienced it to understand. And here we can see that there is ...

This dark chasm looks like a hole in the center of a brightly colored tapestry, but it’s actually a central vein in the liver of a mouse. The liver is like a very efficient sewage treatment plant for ...

This colorful tapestry is a section of heart tissue from a zebrafish. The pink clusters are T cells, immune cells that help defend against disease. This colorful tapestry is a section of heart tissue ...

Imagine going to the dentist with this set of teeth! These are teeth located on a snail’s “tongue,” or radula, also called a rasper, which is constantly licking the ground to scrape up and transport ...