Friday links

Lots of Halloween-related links.

Science: What’s the Longest You Can Hold Your Breath?

How Your Doctor's Politics Affects Your Health Care -- And What You Can Do About It.

Faust, Mephistopheles, Napoleon, Oliver Cromwell or a Hugenot: Halloween Ideas From an 1884 Costume Guide, with bonus 1880-era Batgirl costumes.

It’s Decorative Gourd Season, Mother****ers (definitely NSFW)

Shopping at Cuba’s Ration Supermarkets.

The Horrifying Legacy of the Victorian Tapeworm Diet.

ICYMI, Tuesday's links are here, and include weird 70's horror movies, trucks with jet engines, DIY Halloween costumes, an Arctic Nazi base, the 2017 Vladimir Putin calendar, and the anniversary of three major battles: Agincourt, the charge of the Light Brigade and Leyte Gulf.