Thursday, May 20, 2021

What causes pools below waterfalls to periodically fill with sediment?

Deep pools below waterfalls are popular recreational swimming spots, but sometimes they can be partially or completely filled with sediment. New research showed how and why pools at the base of waterfalls, known as plunge pools, go through natural cycles of sediment fill and evacuation.

from Latest Science News -- ScienceDaily https://ift.tt/3hHyxCE

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Stress can scramble your brain’s internal GPS, MRI study finds

Stress may literally scramble the brain’s internal GPS. Researchers found that cortisol, a hormone released during stress, made people signi...