Rotary evaporators are used to remove chemical solvents from the products of reactions.Credit: Forance/Alamy An analysis of 1.3 million chemical reactions listed in patents over four decades has shown that chemists still depend heavily on hazardous solvents, despite a nearly 30-year campaign to make chemistry ‘greener’ using safer, more sustainable alternatives. The survey is the
Utah prosecutors are dropping their plan to seek the death penalty in an upcoming retrial of a 71-year-old man who spent decades on death row for a 1985 killing in which newly analyzed DNA evidence did not match him. Douglas Stewart Carter was sentenced to death in 1985 after a jury found him guilty of
The Los Angeles Lakers are putting nearly eight decades of basketball history on the coffee table. The franchise has teamed with luxury art-book publisher Taschen for “Lakers: An Official History of the Purple & Gold,” a 528-page authorized history spanning the team’s beginnings in Minneapolis through the Showtime era, its turn-of-the-millennium three-peat and its most
Warren Buffett has stepped down as chairman of Berkshire Hathaway, handing over leadership to his son Howard in the final chapter of a long-planned transition at the US business giant. At 96, the world-famous investor will move into an advisory role as chairman emeritus and remain on the company board to offer his “judgement and
Theirs is a story straight out of a Bollywood film. Two Indian-born women in their 40s, adopted as babies by different families and raised near each other in the Netherlands, have now discovered they are biological sisters. Meena Geltink and Minal Tijssen, born in the early 1980s, were adopted from two different orphanages in the
GALVESTON, Texas — A man convicted over a “ Texas Killing Fields ” death was sentenced to 20 years in prison Thursday in a rare trial related to the bodies of dozens of women found near Houston beginning in the 1970s. James Dolphs Elmore Jr. was given the maximum sentence by a jury in Galveston