They must jump through the irrational and expensive hoops of the FDA, and patents are only 20 years (compare with corporate copyright of 75 years). This makes them pursue only blockbuster and knockoff drugs. Stuff for chronic diseases you're going to buy for years.
The boot device is the device from which the operating system is loaded. A modern PC BIOS (Basic Input/Output System) supports booting from various devices. These include the local hard disk drive, optical drive, floppy drive, a network interface card, and a USB device.
It can erase drive partitions, but not of the same partition where Windows is installed and running. To erase the main system disk of a computer, you must create a bootable disc or USB drive and boot into the disk utility. This should even work if Windows wont boot anymore. Active@ Kill Disk is an example of this type of tool.