If DNA doesn’t make humans different from chimps, what does?
Your daily dose of COVID crazy: Neanderthals are to blame for COVID-19
Claim: Blue-eyed humans have a single common ancestor
An astrobiologist suggests changing how we search for alien life
Here’s something we don’t see every day: A blazar in the early universe
Bacteria “convince” their squid host to change gene expression to make life easier for the bacteria
Researchers discover an alarm plants use when attacked by munching critters
Dear Darwin, We have finally found an explanation for teaching! – Researchers
From science historian Michael Flannery: A farewell to Darwin doubter Gertrude Himmelfarb (1922-2019)
Not-yet-specialized cells seem to know where to go
From the Smithsonian: Top Ten Dino Discoveries of 2020
Holiday Humor and Our Annual Plea for Support
If only Captain Picard had frequented this site, he would have known that he has nothing to worry about because the probability of a random toss of letters spelling out “disaster” is practically nil. We wish all of our readers a joyful and merry Christmas. And so that we can keep this site up to, among other things, stave off the misguided fears of such as Capt. Picard, we hope you will consider a yearend donation to UD. As I have told you before, we aspire to have a shoestring budget. Our budget is more comparable to an aglet (the small sheath at the end of a shoestring). Our operation is very lean, and we could really use your support. Read More ›