New research shows lifelong bikers have healthier knees, less pain and a longer lifespan, compared to people who've never biked. This adds to the evidence that cycling promotes healthy aging.
The Trump's Trials team breaks down why prosecutors have a timeline problem, what Michael Cohen's testimony so far has shown, and why it may all come down to a question of sex and privacy in the end.
Some otters rely on tools to bust open hard-shelled prey items like snails, and a new study suggests this tool use is helping them to survive as their favorite, easier-to-eat foods disappear.