EVs outperform gasoline cars in lifetime CO₂ emissions after two years

Study finds EVs reduce cumulative CO₂ emissions after two years, outperforming gasoline cars in lifetime environmental impact.

Tipping doesn't improve service, study finds

Tipping doesn't improve service; most tip out of conformity, not appreciation.

Bush's 2002 steel tariffs hurt economy without benefits.

Bush's 2002 steel tariffs hurt local jobs without boosting steel employment, study finds.

Cocoa flavanols may offset sitting's harm to blood vessels

Cocoa flavanols may block sitting's negative effects on blood vessels, per new research.

Ultra-HD TVs may not be worth it, study finds.

A new study finds that ultra-HD TVs may not offer any advantage over lower resolution screens due to the human eye's resolution limit.

AI use reverses Dunning-Kruger effect, boosting overconfidence.

AI users overestimate performance, with AI-literate users showing greater overconfidence, reversing the Dunning-Kruger effect.

PFAS exposure in mice reduces testosterone and sperm production.

PFAS exposure in mice lowers testosterone and alters sperm and embryo gene expression.

Climate deniers mimic science to appear credible

Climate deniers use scientific aesthetics to appear credible online, portraying activists as irrational.

Wastewater boosts green hydrogen prospects

Using wastewater for hydrogen production could cut water treatment costs by 47%.

Negative stereotypes shaped U.S. policies toward Puerto Rico

Negative stereotypes of Puerto Ricans shaped U.S. policies, contributing to economic decline and unequal citizenship.