When the National Aeronautics and Space Administration formed in 1958, it was pretty much a boys’ club. Women had some low-level jobs, but most of the higher-level work was done by men. Katherine Johnson was one of the earliest female NASA employees. When she started, NASA didn’t even exist. She was working at the Langley Research Center with the National Advisory Committee for Aeronautics (NACA), which was the agency that eventually developed into NASA….
We spend about a third of our lives asleep. Teens should get nine to ten hours of sleep per night, but many don’t. There are several recommendations for improving sleep patterns, including meditation, ending screen time in the evening, keeping a regular sleep schedule, limiting caffeine—there’s even an app or two (or twenty).
What’s the biggest obstacle to cleaning up our oceans? It might be the sheer volume of the job. Scientists say that there are 269,000 tons of plastic debris floating on the surfaces of the
world’s oceans.
In 2016, 13-year-old Liam Henderson was worried about plastic in our oceans. He knew how much plastic is accumulating, and how difficult it is to remove. He got the idea that if plastic were magnetic, it would be easier to collect. He experimented by…
In the pantheon of invasive species, zebra mussels (and their cousin, the quagga mussel) have a place of honor–or maybe infamy is a better word. Since first being discovered in the Great Lakes area in 1988, the tiny bivalves have spread throughout the entire watershed
