Science is always adding to our knowledge of health, but how do ideas become breakthroughs, and how can those breakthroughs bring about a better world? Could mosquitos help prevent disease? Will AI tools transform mental healthcare? How is a once-ignored drug now being used to save lives? And what can science do to keep us healthy as we age? Join botanist-turned-Hollywood actor Alisha Wainwright as she meets the scientists, innovators, and communities working together to solve our biggest health challenges. **** Brought to you by Wellcome, an independent global foundation that supports science to solve the urgent health challenges facing everyone. Please visit wellcome.org for more information.