stethoscope studs | silver Dan 4 nanometre distance between base

4 nanometre distance between base pairs determines the helix pitch (10

For someone who recognises the truncated icosahedron at sight

Most of what makes the cortex compute happens through glutamate

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not a fact

stethoscope studs | silver Dan 4 nanometre distance between baseStethoscope studs sterling silver Ren Laennec invented the stethoscope in 1816 because he couldn't bring himself to press his ear directly to a patient's chest. His wooden tube became the defining symbol of medicine, and it has never lost that meaning. The Science Behind the Stethoscope Laennec's insight was that sound travels better through a confined medium than through open air. His paper tube channelled vibrations from the chest wall into the