ESA officials said it was only the ninth time an asteroid was spotted before reaching Earth’s atmosphere. And, as the climate changes and summer temperatures linger, educators are increasingly worried about keeping kids safe from heat exhaustion.

On Wednesday, an asteroid named 2024 RW1 burned up in the atmosphere above the Philippines. As asteroids go, it was not especially notable. Astronomers say objects the size of 2024 RW1, which was about a meter in diameter, encounter the Earth about every two weeks. Due to local weather conditions, not many ground observers were able to see the fireball produced by the impact on the atmosphere. But astronomers on the Catalina Sky Survey project had observed the asteroid a few hours earlier as it approached the planet, and were able to give a prediction for where and when it was likely to enter the atmosphere. European Space Agency officials said it was only the ninth time people were able to spot an asteroid in advance of Earth impact.

SciFri’s Charles Bergquist joins guest host Sophie Bushwick to talk about that astronomical event and other stories from the week in science, including work on gold nugget geophysics, a potential advance in pain medications, and the mystery of a missing pregnant shark.

Kids across the United States just kicked off a new school year. But in recent years, summer weather has spilled over into fall, with temperatures staying hotter than normal through September and even into October. Sitting in a sweltering classroom can make learning difficult—and even dangerous.

A recent story in The 19th describes how learning and teaching have become more challenging as the climate heats up. Guest host Sophie Bushwick talks with The 19th reporter Jessica Kutz about her reporting and what solutions might be on the horizon.

Transcripts for each segment will be available after the show airs on sciencefriday.com.

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