Ars Technica: AI used to design a multi-step enzyme that can digest some plastics
The reaction the research team worked on (involving some of the same people who designed snake venom inhibitors) is the breakdown of what’s called an ester bond. Ester bonds are formed by linking two chains of carbon atoms by an oxygen atom, with one of the flanking carbons being linked to a second oxygen. These can be broken apart by adding a water molecule, which leaves one carbon chain linked to an alcohol (COH) group and the other an organic acid (COOH).
David Johnson (@CrossingTheThreshold): re Amazon discontinuing Kindle backups
Following Amazon’s announcement that it will no longer be possible to download and backup Kindle books from February 26th, I have now been through my list of Kindle books, downloaded those not yet downloaded and saved them in Calibre.
I have also brought my Kobo Libra H2O out of retirement. I’ll be returning to the Kobo store. I bough the Libra a few years back wanting to move away from Amazon. However, I returned to Amazon as I preferred the reading experience on Kindle. …
Bleacher Report: USA vs. Canada Starts with 3 Fights at 4 Nations Face-Off, Leaves NHL Fans Energized
There were three fights in the first nine seconds of Saturday night’s 4 Nations Face-Off game between the United States and Canada.
Trump sets the tone: Continuing the descent into elementary school behavior.
Last Updated: 15.Feb.2025 22:50 EST
