Arizona drought persists: 'You can't get much lower than this,' experts say about water levels
But after months of short-term drought across Arizona, the stream gently rippled by on a February outing. The water level was ...
Purdue University4y
What do Trees Do in the Winter?
A tree begins its preparations in late summer as day length shortens to survive winter temperatures. Cold acclimation occurs gradually and fall color is a sign that the process is in place and ...
Gardening: Finding flavor and healing in growing and using herbs
Sometimes convenience breeds complacency. If every herb is readily available to us without the need to learn its lifecycle, ...
BBC6y
Why do leaves fall off trees?
Some do fall off sporadically throughout the year though, and some trees called semi-evergreens only shed all their leaves when it’s cold enough. If the winter months are mild, they stay green.