Summary: News: Reversing hearing loss with regenerative therapy | MIT News (01:28) Engineered bacteria could help protect “good” gut microbes from antibiotics | Big Think (07:01) Wireless camera tool could make intubation safer and easier | Futurity (12:40) A massive ”space cannon” can shoot payloads into space at hypersonic speeds | Interesting Engineering (16:31) A new heat engine with no moving parts is as efficient as a steam turbine | MIT News (22:54)
