ABC News’ Alexis Christoforous reports on e.l.f. Beauty’s acquisition of Hailey Bieber's skincare brand.

Let's take a look at how to observe cells under a microscope ... Drop the cover slip on the slide and stick it on the microscope. Go find those animal cells! Unlike the plant cells, animal ...

Like humans, animals require a relatively stable internal temperature for their cells to function properly – even cold-blooded animals cannot brook too drastic a change in temperature.

YEAST CELLS — Brewing yeast cells are seen under a microscope as part of a study on nonalcoholic beer. Credit must be given to the creator. Only noncommercial uses of the work are permitted.

activities of specific nerve cells can be optically measured and manipulated under a microscope. However, it is still challenging to understand the relationship between an animal's behavior and ...