<div class="col-md-12 well foo">
  <div class="row table-block">
    <div class="col-xs-8">
      <strong>{{experiment.title}}</strong>
    </div>
    <div class="col-xs-2 text-center">
      <strong>{{moment-format experiment.beginDate 'MMMM D, YYYY'}}</strong>
    </div>
    <div class="col-xs-2 text-center">
      <strong>{{moment-format experiment.endDate 'MMMM D, YYYY'}}</strong>
    </div>
  </div>
  <div class="row table-block">
    <div class="col-xs-12">
      {{experiment.description}}
    </div>
  </div>
  <div class="row table-block">
    <div class="col-xs-2">
      <strong>Status: </strong>{{experiment.state}}
    </div>
    <div class="col-xs-3">
      <strong>Last Edited: </strong>{{moment-format experiment.lastEdited 'M/D/YYYY'}}
    </div>
    <div class="col-xs-2 pull-right">
      {{#link-to "experiments.info" experiment.id class="btn btn-default" }}Details{{/link-to}}
    </div>
  </div>
</div>

<div class="col-md-12 well foo">
  <div class="row table-block">
    <div class="col-xs-8">
      <strong>{{experiment.title}}</strong>
    </div>
    <div class="col-xs-2 text-center">
      {{#if experiment.beginDate}}
        <strong>{{moment-format experiment.beginDate 'MMMM D, YYYY'}}</strong>
      {{else}}
        n/a
      {{/if}}
    </div>
    <div class="col-xs-2 text-center">
      {{#if experiment.endDate}}
        <strong>{{moment-format experiment.endDate 'MMMM D, YYYY'}}</strong>
      {{else}}
        n/a
      {{/if}}
    </div>
  </div>
  <div class="row table-block">
    <div class="col-xs-12">
      {{experiment.description}}
    </div>
  </div>
  <div class="row table-block">
    <div class="col-xs-2">
      <strong>Status: </strong>{{experiment.state}}
    </div>
    <div class="col-xs-3">
      <strong>Last Edited: </strong>{{moment-format experiment.lastEdited 'M/D/YYYY'}}
    </div>
    <div class="col-xs-2 pull-right">
      {{#link-to "experiments.info" experiment.id class="btn btn-default" }}Details{{/link-to}}
    </div>
  </div>
</div>

Add placeholder if beginDate/endDate are null
Add placeholder if beginDate/endDate are null
