Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode ...
HealthDay on MSN
How Artificial Light at Night May Be Hurting Your Heart
Too much light at night might be doing more than keeping you awake—it could be putting extra stress on your brain and heart.Researchers found that people expose ...
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