the.com/sync
the quiet miracle of many things agreeing to be one thing at once
firefliesWhole forests of them blink in unison nightly
metronomesPlaced on a moving base, they self-synchronize
menstrual mythCycle syncing among friends is largely unproven
power gridsContinents share one synchronized 50 or 60 Hz heartbeat
heart cellsSeparate heart cells in a dish beat together