10/01/2023

Subway stations near river tunnels have worst air quality

Subway riders waiting in stations near tunnels that run below the city's rivers are exposed to higher levels of hazardous pollutants than are found in other stations. The "river-tunnel effect," as researchers call it, may ...

Sun releases strong solar flare

The sun emitted a strong solar flare, peaking at 1:50 p.m. EST on Jan. 9, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured imagery of the event.

How to improve math skills among American children

In the past two decades, researchers have made great strides in uncovering how children learn math, but little of that new knowledge has trickled down to teachers, according to a new book on math education.

NASA's retired Compton mission reveals superheavy neutron stars

Astronomers studying archival observations of powerful explosions called short gamma-ray bursts (GRBs) have detected light patterns indicating the brief existence of a superheavy neutron star shortly before it collapsed into ...

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