The Checkup with Doctor Mike Should You Be Scared Of A Black Hole? | Dr. Becky Smethurst
Apr 15, 2026
Dr. Becky Smethurst, Oxford-trained astrophysicist and popular science communicator. She talks about black holes and how we detect and study them. She discusses James Webb discoveries, searching for life on exoplanets and moons, and confronting conspiracies. She also shares her personal cancer diagnosis, treatment choices, and the role of science communication.
AI Snips
Chapters
Transcript
Episode notes
Vacation Helped Process A Shock Cancer Diagnosis
- Becky processed diagnosis emotionally but used an already-booked family holiday to regroup and gain perspective right after learning she had cancer.
- Hiking in the Alps gave her clarity and a sense she could still do meaningful life events despite the diagnosis.
Astrophysics Uses Population Observations Like Medicine
- Astrophysics relies on observations across populations and simulations rather than repeatable lab experiments, similar to cohort studies in medicine.
- Becky compares telescopes to time machines: observing distant objects shows earlier cosmic epochs and builds population-level evidence.
Avoid Replacing Proven Cancer Care With Natural Gambles
- Don’t substitute proven cancer treatments with untested “natural” cures; choosing only lifestyle changes is a gamble with survival odds.
- Becky warns survivorship bias: you mostly see stories where the gamble worked, not the many where it failed.