When producer Grace Tatter sees a video of a man claiming that he's continuously ordering and returning an 110-pound anvil from Amazon with no repercussions, she has questions. Is this... Adam Aleksic ...

The sphingolipids constitute an important class of bioactive lipids, including ceramide and sphingosine-1-phosphate (S1P). Ceramide can be considered to function as a hub in sphingolipid metabolism, ...