Science News

Using school entry cutoffs across European countries, economists found that students who are young for their class more often describe their normal-weight bodies as too thin, want to gain weight, eat more calorie-dense food and exercise less.

Surveys of 3,000 people in the US, UK, Italy, Poland, Mexico and South Africa found right-leaning respondents rated society from 1950 to 2000 more positively in every country. Experiments suggest ideology shapes the view of the past, not the reverse.

Using random group assignments on the PGA Tour, researchers found golfers scored 0.2 strokes better per round in politically homogeneous groups, worth five ranks before the cut and $13,000 to $23,400 in earnings. The gap widened when polarization was high.

One hour after a standard 1 g dose, paracetamol averaged 124.5 µM in women's uterine fluid. At 100 to 200 µM it blocked DNA synthesis, cut cell numbers in human and mouse embryos, and at 200 µM killed some early embryos outright.

In over 2,000 leveraged loan agreements from 2018 to 2024, the share closing a key loophole rose only from 3% to 9% and fell back to about 3%, while a single liability management deal can generate more than $100 million in legal fees.

In an experiment on mobile trading design, investors invested the most in a company when they swiped to trade and its information was shown in green, compared with clicking and confirming or seeing the same information in red, even though the company's economics were identical.

Using 2020 to 2026 Revelio Labs data, economists found 19.7% of U.S. LinkedIn users retroactively edit past jobs, often around switching employers. The rewrites add AI language after 2022, drop remote-work and DEI terms, and show a post-ChatGPT surge in LLM-style writing.

White men whose birth dates were drawn in the Vietnam draft lottery later expressed more positive attitudes toward Black people and race-related policies, with effects of about 0.18 standard deviations in 1978 that faded over time.