How can ice be bendy? What does Sweden's Covid strategy tell us about ageism? Find out in ScienceSeeker's picks of the best posts for the week of July 5 - July 11 2021 #SciSeekPicks #SciComm.

In this week's best in class from the world of science news around the world, discover the opioid responsible for face recognition and find out what the heaviest, smallest white dwarf found to date means for science. 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?

• New kind of ice is so bendy it can curl and uncurl without breaking  by Leah Crane for New Scientist.

When grown in tiny strands, ice can bend and then snap back into its original shape. These microfibres are the most flexible form of ice ever made.
Credit: pdh96 via Flickr (CC BY-ND 2.0)

• Evolution of a bacterial protein into a virus-like, RNA binding capsid by Vincent Racaniello in Virology Blog. 
• What Sweden’s Covid failure tells us about ageism by Carl-Johan Karlsson in Knowable magazine.
• An opioid made in the brain is crucial for remembering other people by Czarina Ramos for Massive Science.
• Podcast: Your brain does something amazing between bouts of intense learning by Karen Hopkin at Scientific American Podcast: 60-Second Science.
• What the heaviest, smallest white dwarf ever found means for science by Ethan Siegel at Starts With A Bang.
• Ancient magneto-rotational hypernova fuelled high levels of metals in unique star by Sci-News.com.
• Cheers to greener beer by Lauren Nelson at A Short Scientist.
• New ‘mirror’ fabric can cool wearers by nearly 5°C by Alex Viveros for Science magazine.
• Fields medals are concentrated in mathematical ‘families’ by Clara Moskowitz and Shirley Wu for Scientific American.
• Academia should incentivize mathematicians to make their work more accessible by Rebecca Lea Morris for Massive Science.

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