Old Soviet poster with smiling cosmonaut and the words, "There is no god!" I have no idea what this is about but feel free to dream up your own interpretation.
Warrior women of the Xiongnu, with the oldest surviving version of the Mulan story. (A female warrior in resolutely sexist China seems unlikely, so many historians think the story originally came from the steppes, where occasional warrior women are well documented.)
The Antonine Plague of AD 165, which probably marked the arrival of smallpox in the west.
Good NY Times piece on the usual course of Covid-19 infection.
Abu Dhabi is building what will be the world's cheapest solar farm, with a projected cost of 1.35 cents per kilowatt hour, less than a quarter of what coal power costs.
Wonderful photographs by Albert Dros of Holland's tulip gardens with no people.
I've been enjoying videos from the PBS science series Space Time, with Matt O'Dowd (or the YouTube channel here). Each is 10 to 15 minutes, which I find a great length for a dose of mind-bending physics.
Intelligent review of The Mirror and the Light, less positive than mine.
The Cassandra of Covid-19 thinks we are in for a long, hard road, three more years at least. (NY Times)
States are starting to seize unused gift cards as unclaimed property.
Some colleges are coming up with plans to re-open in the Fall.
British chemist Michael Levitt, a Nobel Prize winner, thinks we are misunderstanding Covid-19 and hard lockdowns only make things worse. Tyler Cowen calls this "speculative."
Argument that Tesla is the General Electric of the 21st century.
A microfungus has been discovered that seems to protect mosquitoes from malaria; trying to figure out now how to spread it.
More on the US Marines buying lots of missiles as part of our accelerating missile rivalry with China.
Fairly technical explanation of how a CRISPR test for a virus works. Very impressive if you're into this sort of thing.