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Heart Monitors On Wild Narwhals Reveal Alarming Responses To Stress（图）
Heart Monitors Wild Narwhals Alarming Responses Stress
2017/12/19
Narwhals released after entanglement in nets and outfitted with heart monitors performed a series of deep dives, swimming hard to escape, while their heart rates dropped to unexpectedly low levels of ...
The Malthusian multiplication of burros and wild horses in recent
years has created a political controversy that will not soon be resolved.
The dispute is inescapably political because the animals a...