In Northern Hemisphere spring, plants burst to life and suck carbon dioxide out of the air until they die off in the fall.
The phyletic lines of many animal groups, for instance, show examples of extinct ancestors that grew increasingly large until they died off.
Marielle Anzelone, the urban botanist and founder of NYC Wildflower Week who writes the Spring Time feature on City Room, recommends keeping them in a relatively dry place until the leaves die off and the plant energy returns to the bulbs, then tapping the dirt off them (not washing them), wrapping them in newspaper and putting them in a cool, dry, dark place.
It needs to survive until MP3 downloads die off.
We know we're not getting a house until our parents die off and if we win the fight over it with our siblings.
All those guns will just sit there unused until their owners die off and their heirs, one by one, join the majority of Americans who have noticed that, apart from pockets of serious danger in a few big cities, this fine country has grown more peaceful in recent years.
Indeed, after the success of "The Lost Weekend," Jackson continued to drink on and off until he died, from a barbiturate overdose, at the age of sixty-five.
Roby lived off of that until he died".
A Spanish judge had the British detain him, but when he was sent home, his lawyers staved off criminal complaints until he died.
So the drug must be taken at least once a year for 15-17 years, until the mature worms die off on their own.
