Laws against inadequate quarters do not always cover such dwellings, and responsibility for inspecting them falls on the same local councils that would have to re-house their tenants.
Until now such bonds have largely been the preserve of rich-country issuers: in 2009 Munich Re estimates that 80% of issuance was to cover risks in America.
After drying up, bdelloids come back to life when re-exposed to fresh water. The Cornell study is featured on the cover of the Jan. 29 issue of Science.