Blurt!Commonplace Book

science

“The spiders searched the part of the web where the cricket had been—the sheet or the lines—which indicated a memory of prey location. And when Sergi stole prey from the gumfooted lines, the spiders made more searches for prey that was especially large relative to themselves.”

posted Nov. 27, 2022, 8:00pm

“[T]he earliest image indicates that it was roughly 100,000 Kelvin, which suggests we were looking at it just six hours after it exploded. The latest lensed image shows that the debris had already cooled to 10,000 K over the eight days between the two different images.”

posted Nov. 24, 2022, 8:00pm

“Bubbles of hydrogen-ripping galaxy light began to grow, carving holes in the cold, quiet bulk of the intergalactic gas. Over a billion years, the bubbles filled the cosmos and nearly every hydrogen atom was torn in two, leaving protons and electrons to wander the Universe separately again.”

posted Nov. 18, 2022, 8:00pm

“Knowing that these two impacts generated events allowed for a direct comparison between the estimates and the impact location. And it turns out the estimates are quite good. One event was estimated at 3,530 ± 360 km away, and it turned out to be 3,460 km from the lander, a difference of just 70 km.”

posted Nov. 12, 2022, 8:00pm

“Kodak slowly began to fix this bias in its film, but not out of any sense of racial injustice: it was a response to complaints from furniture makers and chocolate sellers that Kodak cameras couldn’t properly capture their products’ hues.”

posted Nov. 11, 2022, 8:00pm

“There are some who take organic chemistry to get into a Ph.D. program or prepare for a career in chemistry, but they’re relatively rare. Most of the students are pre-med, and for a lot of them, organic chemistry is a dream-shattering experience.”

It seems to me like the professor at the center of this story was done a grave disservice by NYU, set up to fail (though surely not intentionally on anybody’s part) and then abandoned.

posted Oct. 26, 2022, 8:00pm

“For papers that bomb, there was no difference; women and men ended up on papers with zero citations at equal rates. But for a reasonably successful paper (one that gets cited 25 times), women are about 20 percent less likely than men to end up on the author list.”

posted Sep. 27, 2022, 8:00pm

“[I]n this case, the unseen companion was producing copious amounts of radiation that was heating the star. This process essentially produces a star with a ‘daytime’ side bathed in radiation, so it’s more energetic and brighter, and a ‘nighttime’ side that emits the star’s intrinsic brightness.”

posted Sep. 16, 2022, 8:00pm

“[M]ost of my callers realised that they can’t contribute to a field without meeting today’s quality standard. … One of them might even publish a paper soon. Not a proposal for a theory of everything, mind you, but a new way to look at a known effect. A first step on a long journey.”

posted Sep. 13, 2022, 8:00pm

“If you do a meta-analysis of all the publications resulting from trials that weren’t preregistered, homeopathic treatments outperformed placebo by a statistically significant margin. If you look at the publications that resulted from trials that had been preregistered, there was no statistical difference between homeopathy and placebo.”

posted Sep. 12, 2022, 8:00pm

“‘If the Black Death caused the Renaissance will the COVID pandemic cause a golden age?’ You see the problems with the question now: the Black Death didn’t cause the Renaissance, not by itself, and the Renaissance was not a golden age, at least not the kind that you would want to live in, or to see your children live in.”

posted Aug. 26, 2022, 8:00pm

“Astell studied astronomy with John Flamsteed between 1697 and 1698, and her notes in Les Principes demonstrate that she had already attained a high level of understanding in the sciences prior to her formal studies with the Astronomer Royal.”

posted Mar. 28, 2021, 9:21pm