```ruby
# Be sure to restart your server when you modify this file.

PaperSearchApi::Application.config.session_store :cookie_store, key: '_science_commons_api_session'
```

Make our session cookie good across all subdomains
user
```ruby
# Be sure to restart your server when you modify this file.

PaperSearchApi::Application.config.session_store :cookie_store, key: '_science_commons_api_session', :domain => :all
```
assistant