5 trends tracked about this subject — the full history, oldest to newest below.
New research indicates a 'sweet spot' of strength training—averaging 90 to 120 minutes weekly—can significantly lower mortality risks and improve aging.
Recent observations in Australia reveal two distinct forms of tool-use among dolphins, highlighting complex learning and gender-based cultural transmission.
Coverage explores the Reverse Flynn Effect as studies point to falling intelligence scores.
Scientists report that the Pacific Ocean, Earth's largest body of water, is slowly shrinking as its edges are consumed.
NASA is keeping Voyager 1 alive by shutting down instruments and heaters one by one as its nuclear power source slowly fades.