Redirect Notice
 The previous page is sending you to https://www.science.org/cms/10.1126/science.abo5721/asset/9e555c28-c77e-4fd7-8f7f-0889821adf71/assets/images/large/science.abo5721-f6.jpg.

 If you do not want to visit that page, you can return to the previous page.