text: const MODERN_ACTIVITY = 15;
  const HALF_LIFE_PERIOD = 5730;
  
  export default function dateSample(sample) {
    console.log(sample);
    if (+sample > 0 && +sample < MODERN_ACTIVITY && typeof sample === 'string') {
      const k = 0.693 / HALF_LIFE_PERIOD;
      const t = Math.log(MODERN_ACTIVITY / sample) / k;
      return Math.ceil(t);
    }
    return false;
  }
  