Measles Outbreaks, Asteroid Risks and Fish Friends

The black hole at the center of our galaxy is emitting
near-constant, random light. The European Space Agency has approved
astronaut candidate John McFall, making McFall the first physically
disabled candidate to be cleared to fly. The risk of asteroid 2024
YR4 hitting Earth rose to more than 3 percent and then dipped down
to 1.5 percent with new data—our February 12 episode explained why
this risk has been changing. Recommended reading: Hear our February
12 episode about asteroid 2024 YR4:
https://www.scientificamerican.com/podcast/episode/what-we-know-about-2024-yr4-the-asteroid-with-a-2-percent-chance-of-impact/ 
Read more of guest host Allison Parshall’s exceptional coverage:
https://www.scientificamerican.com/author/allison-parshall/ 
E-mail us at sciencequickly@sciam.com if you have any questions,
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