If you are experiencing a blank screen in the WBUR Podcasts+Shows tab, here are detailed steps you can follow to troubleshoot and possibly resolve the issue:

1. Refresh the Page: Start by refreshing your browser. Sometimes, a simple reload can resolve display issues.

2. Clear Browser Cache: Cached data can cause loading issues. Here’s how to clear your cache:
- Open your browser settings.
- Navigate to the privacy or history section.
- Look for an option to clear browsing data.
- Select 'Cached images and files' and confirm the action.

3. Try a Different Browser: If the problem persists, attempt to access the WBUR site using a different web browser. Compatibility issues might cause display errors.

4. Disable Browser Extensions: Some browser extensions can interfere with website functionality. Temporarily disable any extensions, especially ad blockers, and check if the Podcasts+Shows tab displays correctly.

5. Check Website Status: Sometimes, the issue might be on WBUR's end. Check if the website is up and running through services like DownDetector.

6. Update Your Browser: Ensure you are using the latest version of your browser. An outdated version may not properly support modern web technologies used by WBUR.

7. Check Internet Connection: A poor or unstable internet connection can hinder content loading. Test your internet speed and stability through online testing tools.

8. Ensure Compatibility: Verify that your operating system and browser version are compatible with WBUR’s website. Check WBUR’s help resources or contact their support for specific requirements.

9. Contact WBUR Support: If none of these steps resolve the issue, reach out to WBUR’s technical support for assistance. They may provide insights or solutions specific to their service.

10. Community Forums: Consider visiting community discussions related to similar problems. Users often share their experiences and solutions, which might help you. Relevant discussions can be found at:
- Podcast black screen - Apple Support Community - [learn more]
- Blank screen, app unresponsive - Pocket Casts Forum - [learn more]

By following these steps, you should be able to diagnose and potentially resolve the blank screen issue on the WBUR Podcasts+Shows tab.