Are students getting enough air?

Roughly 85 percent of recently installed HVAC systems in K-12 classrooms investigated in California did not provide adequate ventilation, according to a study from the University of California, Davis, and Lawrence Berkeley ...

Helpful insects and landscape changes

We might not notice them, but the crops farmers grow are protected by scores of tiny invertebrate bodyguards. Naturally occurring arthropods like spiders and lady beetles patrol crop fields looking for insects to eat. These ...

TESS presents panorama of southern sky

The glow of the Milky Way—our galaxy seen edgewise—arcs across a sea of stars in a new mosaic of the southern sky produced from a year of observations by NASA's Transiting Exoplanet Survey Satellite (TESS). Constructed ...

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