Aluminum & Alzheimer’s
Can aluminum cause Alzheimer's disease? (current evidence says no)
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Kidney Transplants
A new protocol that allows doctors to transplant patients who have problematic antibodies -- …
Color Blindness
Is color blindness in your brain or in your eyes? - eyes (physically missing a set, pigment, of …
Skin Color
Different skin colors evolved to protect against UV and to make vitamin D
Primary Colors
Why are there three primary colors? (Three kinds of receptors in the retina)
Radioactive Sub
The nuclear material from the sunken Kursk submarine doesn't seem to be contaminating the …
Cat Antidepressant
Testing an antidepressant drug's ability to calm anxious cats