This painting, by Donald E. Davis, depicts the Chicxulub asteroid slamming into tropical, shallow seas of the sulfur-rich Yucatan Peninsula in what is today southeast Mexico. The aftermath of this immense asteroid collision, which occurred approximately 65-66 million years ago, is believed by some (though, I’m told, not by young-earth creationist me) to have caused the extinction of the dinosaurs and many other species on Earth. The impact spewed hundreds of billions of tons of sulfur into the atmosphere, producing a worldwide blackout as well as freezing temperatures that persisted for at least a decade. Shown in this painting are pterodactyls, flying reptiles with wingspans of up to 50 feet, gliding above low tropical clouds. (A public domain image from NASA)
You may perhaps have heard that a disease called coronavirus is going around. Here are some comments on different aspects of the illness and the responses to it, from various sources:
Here’s some good advice from Dr. Jeff Lindsay, who isn’t a physician or health worker but whose long residency in China and doctorate in chemical engineering do give him an interesting vantage point from which to comment:
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