This is What's Trending Today...Diana Bloom from the American state of Virginiaposted a photo on Twitter last weekthat is getting a lot of attention right now.It has thousands of likes and re-tweets.The photo shows one page of her high school yearbook.In the United States, high schools and universitiesput out a yearbook at the end of each school year.The book is a way to remember the school year.Yearbooks usually have photos of all the students,teachers and staff members.They include photos of sports teams, clubs,special events and other important moments.Often, when a person grows up to be famous,their yearbook photos are usedto show they were once a normal high school student.But the Stafford High School yearbook is already special.It includes the photo of Alpha Schalk.Why is the photo getting so much attention?Alpha Schalk is a dog.Alpha belongs to Stafford High student Andrew Schalk.Alpha helps Andrew remember to take medicinefor a disease called diabetes.People with Type 1 diabetesdo not process the sugar they consume like everyone else.They must take medicine every dayto control the amount of sugar in their blood.Alpha helps Andrew remember to take his medication,sometimes waking him up at night.Alpha goes to school with Andrew each day,and all the other students enjoy seeing him.Schalk told Buzzfeed "it brightens people's days seeing him."When it came time to take photos for the yearbook,it seemed natural to take a photo of Alpha, too.After all, the dog has his own school identification card.Andrew said the photographer lowered the camera for the dog."He has been a great companion," Andrew said.Dog lovers are calling Alpha's yearbook photo "cute," and "precious."One person wrote "this made my whole day."And That's What's Trending Today.