/ Mark Statham Content for 嘿嘿视频 en /climate/news/endangered-mouse-sampled-noninvasively-new-method Collecting genetic samples for small mammals can be tricky, but 嘿嘿视频 scientists found a noninvasive way to do it for San Francisco's endangered salt marsh harvest mouse. September 19, 2022 - 10:00am Katherine E Kerlin /climate/news/endangered-mouse-sampled-noninvasively-new-method