There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Car airbags kill 1 person for every 22 lives that they save.
80
More than a billion transistors are manufactured every second.
-25
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
The United States produces enough plastic film annually to cover the entire state of Texas.
13