Is infinite economic growth possible? How do bacteria mix their genomes with their partners? Find out in ScienceSeeker's picks of the best posts for the week of June 14 - June 20 2021 #SciSeekPicks #SciComm.

In this week's installment of the very best of science news from around the world, get the low-down on Covid-19: discover its origins, find out about its natural hosts and get up to date with the latest news on the Delta variant. ScienceSeeker editors' favourite posts within their respective areas of interest and expertise also cover many other important and exciting topics. Why not have a read, inform yourself, and indulge your scientific curiosity?

• The delusion of infinite economic growth by Chirag Dhara and Vandana Singh for Scientific American.

Even “sustainable” technologies such as electric vehicles and wind turbines face unbreachable physical limits and exact grave environmental costs.
Image credit: OTA Photos via Flickr (CC BY SA 2.0)

• Bacteria mix their genomes with partners so much they turn themselves into hybrids by Elise Cutts for Massive Science.
• New study finds people with COVID-19 have antibodies that target their own immune systems by Iflah Shahid for Massive Science.
• #ChemVsCOVID: How were the first treatments for COVID identified? by Andy Brunning at Compound Interest.
• Podcast: COVID, quickly, Episode 9: Delta Variant, global vaccine shortfalls, beers for shots by Josh Fischman, Tanya Lewis, and Jeffery DelViscio at Scientific American Podcast: 60-Second Science.
• Podcast: The origins of Covid by Tim Harford and Marilyn J Roossinck for More or Less: Behind the Stats.
• The remarkable diversity of bat coronaviruses by Vincent Racaniello in Virology Blog.
• Bringing current news into a physics lesson by ZapperZ at Physics and Physicists.
• The mystery of Betelgeuse's dimming has finally been solved by Jennifer Ouellette for Wired.
• LIGO mirrors cooled to near absolute zero could probe quantum gravity by Leah Crane for New Scientist.
• The calming effects of natural soundscapes by Jaspreet Sanghera for Science Borealis.

To indulge your curiosity even more, follow us on Facebook or Twitter for honourable mentions of great posts that didn't quite make our #SciSeekPicks list this week. Want #SciSeekPicks to help satisfy your scientific curiosity every week? Sign up here for regular notification emails.

Check back next week for more great picks!