Answer:
It's been around for millions of years, but it's no more than a month old. What is it?
You row in one while you float.
Mouth up it gets filled, mouth down it gets empty.
Can be achieved in a car or as a position during conflict
What has 4 fingers and a thumb, but is not living?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?