Why a helium balloon flies backwards when you hit the brakes
Jul 24, 2026 · 25m
Summary
Dr. Chris Smith answers listener questions on diverse scientific topics, including magnetic algae for targeted cancer drug delivery and the physics of helium balloons in cars. He explains stellar fusion, the effects of gallbladder removal on cholesterol, and potential symbiotic relationships between spiders and antelopes. The episode also covers cloud seeding impacts, restless legs syndrome, sperm count declines, and the expansion of the universe, concluding with an explanation of evolution versus intelligent design.
Topics discussed
Introduction and algae-based drug delivery for bladder cancer
Physics of helium balloons in accelerating cars
Why the sun does not burn out to ash
Effects of gallbladder removal on cholesterol
Symbiotic spider webs on oryx horns
Cloud seeding and its impact on regional rainfall
Causes and treatments for restless legs syndrome
Why sperm can form gelatinous clumps
What holds the universe together: gravity vs dark energy
Declining sperm counts and rising infertility rates
Evolution vs intelligent design and sickle cell anemia
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