How can you simply prove the Earth is a sphere? Can pets treat depression? Find out in ScienceSeeker's picks of the best posts for the week of November 19-25 2018 #SciSeekPicks #SciComm

This week's best science stories include fascinating details about that strange asteroid 'Oumuamua and our festive turkeys, and a way to scrutinise scientific AI claims. But there are many other topics touched on in ScienceSeeker editors' favourite posts within their respective areas of interest and expertise for the past seven days. Here is the full round-up of the ScienceSeeker Editors’ Selections:

An old tradition - but just when did humans domesticate turkeys?
Image credit: Chris Burke via Flickr CC BY 2.0 Licence

• The turkey on your Thanksgiving table is older than you think by Michael Price at Science
• 6 Strange Facts about the Interstellar Visitor 'Oumuamua by Abraham Loeb at Scientific American
• Physics can explain the fastball’s unexpected twist, new study finds by Jennifer Ouellette at Ars Technica
• Pendulums, spheres, and the spinning Earth by Gregory J. Gbur at Skulls in The Stars
• Machine Learning: Be Careful What You Ask For by Derek Lowe at Science Translational Medicine 
• For these people with depression, all treatment approaches had failed, but then they adopted a pet … by Christian Jarrett at British Psychological Society Research Digest
• "Everybody's Brain Knows How to Run a Tail" E. Glen Weyl at Logic Magazine
• The hidden price of Iceland’s green energy by Henner Busch at ScienceNordic
• The bad bugs of the Anthropocene by Sarah DeWeerdt at Anthropocene
• Open Science in Africa by Justin Sègbédji Ahinon and Jo Havemann at Elephant in the Lab 

Check back next week for more great picks!