Known Unknowns
Known Unknowns
Antarctica Isn’t Melting as Fast as We Thought

A new study says Antarctic ice melting projections were off by as much as an order of magnitude.

Known Unknowns
NASA Launches Carbon-Monitoring Satellite

A new NASA satellite will take a closer look at our planet’s carbon emissions. This will deepen our understanding, but it also reminds us how little we know about earth’s climate.

Known Unknowns
Millennials, the ACA, and the Vortex of Ignorance

Two recent polls paint widely varying pictures about whether Gen Yers are likely to sign up for insurance, showing the dangers of expressing confidence about expected public action based on surveys, especially in a system as complex as US health care.

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