Comment on The physics of ugly Christmas sweaters

iStock; Rebecca Zisser/BIAirline rewards programs have faced scrutiny over dynamic pricing and devaluation practices. Frequent flyers feel burned as airlines adjust rewards, and the DOT is investigating. Dynamic pricing can affect point values, leading some customers to prefer cashback over miles cards. Sean Brown, 46, has logged close to 2 million miles on Delta, his preferred airline.

A series of sexual assault accusations has rocked the real-estate industry this year.iStock; Rebecca Zisser/BIProsecutors accused luxury real-estate agents Oren and Tal Alexander of sex trafficking this month. They are the latest in a series of top figures in real estate accused of sexual abuse or harassment. Some in the industry say its structure, partying, and cult of personality are all partly to blame.

French Army troops stand next to the French armored fighting vehicle AMX-10 RC, which Ukraine is using as self-propelled artillery. LUDOVIC MARIN/AFP via Getty ImagesFrance sent dozens of tank-killing armored vehicles to Ukraine to counter Russia's invasion. The vehicles were designed for recon and fire support but were ineffective on Ukraine's front lines.

Business Insider's Lauren Frias gives a thumbs up from the cockpit of the T-33 Shooting Star. Pacific AirshowI had the rare opportunity to fly in a historic jet trainer ahead of the Pacific Airshow in October. The T-33 Shooting Star was used to train US Air Force pilots on jet aircraft until the early 1960s.

Jack Lowden as River Cartwright in "Slow Horses" season four, and Jinx, voiced by Ella Purnell, in "Arcane" season two. Apple TV+/NetflixThere were some great TV shows in 2024, but only 15 earned a 100% fresh rating on Rotten Tomatoes. The list includes a British spy series, a docuseries about Simone Biles, and a crime drama.

It's impossible to be knowledgeable about all health claims, so Dr. Idrees Mughal recommends looking out for common tricks. SDI Productions/Getty ImagesBogus health advice is widespread online, and often follows a few strategies. Misinformation can harm a person's physical and mental health. Look out for big claims and conspiratorial tones, Dr.