To get a ride downtown, you call the taxi dispatcher. To find a date, you sit at a bar. To share the details of your weekend, you call a friend. In 2007, this was life on a college campus.

The 17 Providence high school students who participated in the Young Entrepreneurs of Providence program presented a variety of original products ­— from a health tracker for dogs to an audio note taker — during Pitch Night at the Nelson Center of Entrepreneurship Thursday.

Ten a capella groups came together Thursday night in support of local music education organization, Community MusicWorks, for the “10:10” a capella concert held in the Friedman Auditorium of Metcalf Research Building.

The Granoff Center’s Atrium Gallery began exhibiting a new exhibit, Math+Art, on Oct. 18, featuring multimedia works created by mathematicians and artists from across the country.