The rear of the fuselage is also sculpted to sweep air into the engines using a process known as boundary-layer ingestion.

ECONOMIST: The aircraft of the future

It's best not to vacuum or sweep, because that can push hantavirus particles into the air, where they can enter the lungs.

CNN: STORY HIGHLIGHTS

Yuvraj kick-starts the scoring with a reverse paddle sweep for three, but his captain is woefully wafting at air from Sulieman Benn's first over, Dhoni now has 11 from 21 with a couple of pushes into the covers.

BBC: ICC World Twenty20 day eight as it happened