Polyacrylamide, a water‑soluble polymer widely used in industry, usually breaks apart when exposed to free radicals. Traditional studies assumed that the main reaction was chain scission, where long polymer chains split into shorter pieces. Recent experiments with persulfate as a radical source reve
Studies of internet use show that people with different schooling levels face varied dangers online. A large survey in China, covering 2, 120 participants, examined three kinds of harm: mental distress, health problems, and social isolation. Results indicate that most users report psychologica
The night of Tuesday’s election was full of surprise. At the party, the state Senate leader looked upset after a big cake was only half eaten. He had spent $10 million on his race against Sheriff Sam Page, a well‑known local figure. Page had the support of people from Raleigh and even an en
Scientists studied how a common steroid, prednisolone, affects bone health in young rats. They looked at three blood markers that show how fast bones build and break down: a protein from new bone, another marker of bone strength, and one that signals bone loss. The team also checked the bones with d
Short‑chain and medium‑chain chlorinated paraffins, common in plastics and metal‑working fluids, have become a hot topic because they stick around in the environment, travel far, and can build up in living things. Long‑chain variants are less studied but may also be a threat. In China’s Guiyu, a tow
The Connecticut Department of Education has said it cannot follow a new bill that would require the state to tell child‑welfare officials when families pull their kids out of public schools for homeschooling. The bill, known as Senate Bill 6, was drafted after two tragic cases that raised concerns a
The Flyers won a close game against the Leafs, giving them their first three‑game streak in over two months. Their record is now 28-21-11, and they are just four points behind the Bruins for a playoff spot. With the trade deadline this Friday, Flyers GM Daniel Briere said the team will not chase
New York subway cars once carried posters for a dating app called Bidsy that promised to turn romance into an auction. The ads claimed it would let users “discover your true dating market value” by bidding on potential partners. Some commuters felt uneasy, saying the idea reduced people to a price t
The study looks at how people’s drinking habits change from age 12 up to 65. It uses a statistical tool called Bayesian simulation and another called simulated annealing to figure out how likely it is that someone will move from one drinking level to another. The four levels are low, medium, h
Versant has decided to return a large amount of money to its investors by buying back one billion dollars worth of shares. The announcement sent the company’s stock up six percent before the market opened, showing that investors are pleased with the move. The decision comes after Versant spun off i
