Coffee contains caffeine and other bioactive compounds, including antioxidants like chlorogenic acids plus cafestol, kahweol, and trigonelline, though amounts vary per cup. Caffeine blocks adenosine, ...

Russia, Ukraine halt energy strikes, but differences emerge on moratorium Russia and Ukraine said on Friday they had halted strikes on each other's energy infrastructure but differences emerged over ...

For more than 160 years, the National Academies have provided nonpartisan, evidence-based advice on decisions that affect our nation. Browse the listing of projects and activities to see examples of ...

January 30, 2026 • Blue Origin, owned by billionaire Jeff Bezos, says it's stopping human spaceflights for at least two years. The move will allow it to "shift resources" to the company's lunar ...