Our World in DataResearch and data to make progress against the world’s largest problemshttps://ourworldindata.org/2025-12-15T00:00:00.000Z<![CDATA[Medicine and Biotechnology]]>https://ourworldindata.org/medicine-biotech2025-12-15T00:00:00.000ZTuna AcisuSaloni DattaniFiona SpoonerVeronika SamborskaHannah RitchieMax Roser ]]><![CDATA[Top of the Charts: our most popular work in 2025]]>https://ourworldindata.org/top-of-the-charts-2025-redirect2025-12-05T00:00:00.000ZOur World in Data team ]]><![CDATA[Top of the Charts: our most popular work in 2025]]>https://ourworldindata.org/top-of-the-charts-20252025-12-04T00:00:00.000ZOur World in Data team ]]><![CDATA[Almost all of the world’s mammal biomass is humans and livestock]]>https://ourworldindata.org/wild-mammals-birds-biomass2025-12-01T00:00:00.000ZHannah RitchieFiona Spooner ]]><![CDATA[Just ten species make up almost half the weight of all wild mammals on Earth]]>https://ourworldindata.org/wild-mammal-biomass-dominance2025-11-24T00:00:00.000ZHannah RitchieFiona Spooner ]]><![CDATA[The end of progress against extreme poverty?]]>https://ourworldindata.org/end-progress-extreme-poverty2025-11-17T00:00:00.000ZMax Roser ]]><![CDATA[Anxiety is one of the world’s most common health issues. How have treatments evolved over the last 70 years?]]>https://ourworldindata.org/timeline-anxiety-medications2025-11-10T00:00:00.000ZHannah RitchieTuna Acisu ]]><![CDATA[Introducing our new, more powerful search]]>https://ourworldindata.org/introducing-new-search2025-11-06T00:00:00.000ZMatthieu BergelSophia MersmannMarwa BoukarimMartin RačákJoe HasellCharlie Giattino ]]><![CDATA[While vaping is not risk-free, it is less harmful than tobacco]]>https://ourworldindata.org/vaping-vs-smoking-health-risks2025-11-03T00:00:00.000ZHannah Ritchie ]]><![CDATA[Resource use matters, but material footprints are a poor way to measure it]]>https://ourworldindata.org/material-footprint-limitations2025-10-20T00:00:00.000ZHannah Ritchie ]]>