Tag

Permeability

All articles tagged with #permeability

nature1 year ago

"The Mystery of Unabsorbed Lakes: Exploring Nature's Hydrological Enigma"

Lakes don't just absorb into the ground due to the permeability of the material at the bottom of the lake, which determines how quickly water can seep through. Rocky bottoms and accumulated sediment limit water passage, while evaporation also plays a role. However, human consumption and climate warming are causing more than half of the world's large lakes to dry up, emphasizing the need to monitor and protect these vital water sources.

neuroscience2 years ago

Cracking the Code: Unveiling the Blood-Brain Barrier's Mysteries

Researchers at Harvard Medical School have made a significant breakthrough in understanding the blood-brain barrier's permeability. Using zebrafish and mice models, they discovered that a neuron-originating signal, regulated by the gene spock1, is crucial for the formation and maintenance of the blood-brain barrier. Mutations in spock1 cause regional permeability in the barrier, which could be targeted for medical treatments. This discovery has the potential to enhance drug delivery effectiveness and mitigate damage from neurodegenerative diseases or stroke.