“The strips pull off anything on the surface of your nose, which includes oil that’s been oxidized and turns black (blackheads), dead skin, dirt, and hair — but they only remove a very superficial layer,” says Nagler. Sometimes they might only remove the top or half of blackheads. How doRead More →

Intermediate filaments come in several types, but they are generally strong and ropelike. … Note that intermediate filaments are not polar in the way that actin or tubulin are (Figure 4). Figure 4: The structure of intermediate filaments. Intermediate filaments are composed of smaller strands in the shape of rods.Read More →