It is a brave new world, in which people are now talking to each other, sharing and collaborating where previously we worked with head down in our individual offices. (slaw.ca)
By the time your pregnancy reaches around 34 weeks, it's expected that baby will be positioned head down in preparation for being born. (babygaga.com)
We have more work to do and we're heads down on getting it done. (engadget.com)