Thanks to historical data preserved in UC Berkeley's libraries, campus botanists have been able to compare tree survey data from the 1920s and '30s with Forest Service data today. They find a decline in large trees and an increase in the density of small trees in forests throughout the state. The large-tree decline seems to be caused by water stress.
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Helicopter parenting may not be the best strategy for raising independent kids. But a healthy measure of overprotectiveness could actually be advantageous when raising dogs and cats, according to a new study that compares "dog people" to "cat people" and correlates neuroticism with better pet care.
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The last 75 years have seen a rise in the number of rapid, catastrophic animal die-offs, an analysis of 727 studies reveals. These mass kills appear to have hit birds, fish and marine invertebrates harder than other species. And disease was the primary culprit, according to the research team.
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