Education related to present line of work is deductible if it meets the ordinary and necessary requirements.
Exploring starting a new business is not currently deductible. If the business is started then this may be a start-up expense for that business.
Take a look at this for the start-up costs (if you actually start one of the business ventures):
https://www.thebalance.com/how-to-deduct-startup-costs-on-business-taxes-397608
