For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

If you're testing for COVID-19, you'll want to know what a positive test looks like—and what it means if you get a faint line. For those who test positive, the time it takes for the line to appear on ...

Home pregnancy test results are only accurate within the first 10 minutes, so read results promptly to avoid misleading lines. Pregnancy tests work by detecting the presence of human chorionic ...

It seems easy enough to take a COVID-19 test at home. But what if your results aren't so simple to interpret? If you get just a faint line, does that mean you're actually positive for COVID? I know ...

One of the factors driving solar system sales is reduced prices for photovoltaic (PV) arrays. In 2016, prices for PV arrays dropped below $1/W for the first time. Another factor is improved inverter ...

Seeing two lines on a pregnancy test doesn’t necessarily mean you’re pregnant. The second line may be an evaporation line. This line can appear in the results window of a pregnancy test as the urine ...

We regularly answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at goatsandsoda@npr.org with the ...

TSURU, Yamanashi Prefecture--Although railway construction issues have pushed back the scheduled start of the Linear Chuo Shinkansen Line, improvements on test cars and comfort levels appear to be ...