Weighted Blankets, Asexuality, and Science Mike's Multiverse

This week Mike responds to the following questions:
What is the science behind weighted blankets?
Weighted Blankets: How They Work
Is it ok for me to identify as asexual?
What are the limitations of science?
Science has limits: A few things that science does not do
How do we know vaccines are safe and effective?
Gish Gallop
The contribution of vaccination to global health: past, present and future