UCSF scientists discover that the spindle, the structure that divides chromosomes equally during mitosis, actually gets stronger when it is stretched.

Every second, millions of cells in your body divide in two. In the space of an hour, they duplicate their DNA and grow a web of protein fibers around it called a spindle.

Every second, millions of cells in your body divide in two. In the space of an hour, they duplicate their DNA and grow a web ...

Every second, millions of cells in your body divide in two. In the space of an hour, they duplicate their DNA and grow a web of protein fibers around ...

Photoshop cc 2019 tutorial showing how to create the retro look of lineographic, mechanical drawings on the classic 1960s toy ...

Photoshop CS6 tutorial showing how to create your own lineographic drawing like the ones made on the famous 1960, Etch A ...