Balloon angioplasty, also known as percutaneous transluminal angioplasty (PTA), is a minimally invasive procedure done to widen narrowed or obstructed blood vessels. The procedure accesses a blood ...

Space Perspective, a Richard Branson-backed startup that wants to take tourists to the stratosphere in a balloon, furloughed almost all of its workforce late last year after running low on cash.

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.