We’ve all had the unpleasant experience of walking into a bathroom to discover a messy toilet seat. Now, an MIT alumni-founded startup is working to flush away that problem forever.Cleana, co-founded by CTO Richard Li SM ’24, has developed an antibacterial, self-lifting toilet seat that promises a cleaner, more hygienic bathroom experience for all. Developing a new toilet seat is not quite as sexy as creating a fusion reactor, but Li believes in the importance of the company’s mission.“A lot of people find it odd at first — a lot…