AirNow
Check current air-quality conditions, forecasts, and smoke information from the official AirNow service.
Independently reviewed resources and the paths to original sources.
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Check current air-quality conditions, forecasts, and smoke information from the official AirNow service.
Find scholarly literature across disciplines.
Search NASA photographs, video, and audio from missions and scientific work.
Find historical maps by place and period, with links to digitized institutional collections.
Search scholarly works, authors, institutions, and citation relationships in an open research catalog.
Explore live radio stations by moving around an interactive globe.
Find legally available open-access versions of research papers through Unpaywall’s browser extension and tools.
Explore recorded earthquakes on the official USGS map and search the earthquake catalog.
Watch window-view videos contributed by people around the world.
Explore satellite imagery, weather radar, forecasts, and tropical-storm tracks on an interactive map.
Create a short-lived disposable inbox for low-risk messages when a permanent address is unnecessary.
Find nutrition and health resources, operational research and reports on preventing and treating malnutrition in humanitarian settings.
Explore medical humanitarian care, local health partnerships and clinical and operational research, primarily in African settings.
Compare software alternatives using a community-maintained directory of apps, platforms, and user opinions.
Explore medicine access, emergency health response, clinic support and public reporting from a humanitarian health nonprofit.
Find human rights investigations, country summaries and educational materials from a global research and campaigning movement.
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Publication standard: resources are reviewed for usefulness, access, provenance and notable limitations. A listing is never a guarantee of safety or accuracy; examine the original source for critical decisions.