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ScienceDaily

A major Alzheimer’s risk gene may shrink brain cells years before symptoms

Researchers have uncovered a possible reason why the Alzheimer’s risk gene APOE4 can disrupt the brain long before memory problems begin. In mice, APOE4 increased a protein called Nell2, shrinking neurons and making memory circuits unusually active.

This is a short WorldPing brief. The full report was published by ScienceDaily.

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ScienceDaily

This shark can live 400 years. Its eyes barely seem to age

Greenland sharks may live for 400 years without suffering the kind of retinal decline normally associated with aging. Researchers found healthy eye tissue and active proteins specially adapted for seeing blue light in the dim Arctic depths.

Brief by WorldPing · Original reporting by ScienceDaily

How we found Haida Gwaii's first marbled murrelet nest in more than 30 yearsWorldPing
Phys.org

How we found Haida Gwaii's first marbled murrelet nest in more than 30 years

Scrambling through dense salal in the dark, weaving between the majestic western red cedars of northern Haida Gwaii, I could barely imagine where we were just days before—crossing Dixon Entrance off the coast in an open skiff, pushing head-on through…

Brief by WorldPing · Original reporting by Phys.org