{"type":"link","asset_type":"article","version":"1.0","cache_age":3600,"provider_name":"CANVAS Arts","provider_url":"https:\/\/artscanvas.org","title":"Cavers descend into the 'Well of Hell,' new clues about humans' arrival in North America and other stories you missed","publication_date":"October 01, 2021","summary":"One in two children in the U.S. have detectable levels of lead in their blood, cavers descend to the bottom of Yemen's 'Well of Hell' for the first time and newly discovered fossil footprints show earlier human arrival in North America. Check out these stories and others you might have missed on this week's episode of 5 Stories. ","author_name":"By Deema Zein, Julia Griffin","thumbnail_url":"https:\/\/cdn.artscanvas.org\/static\/2021\/10\/d8b3cc50ba8480ee654b88e49372bb16-GettyImages-1233572367-e1633105128753-1024x576.jpg","thumbnail_height":576,"thumbnail_width":1024}